Developmental Milestones: A Complete Guide for Nigerian Parents (Birth to 5 Years)

Developmental Milestones by Age: A Complete Guide for Nigerian Parents (Birth to 5 Years)

 

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This short video explains the developmental milestones children usually achieve from birth to five years, highlights common developmental red flags, and discusses when parents should seek professional advice.

What Are Developmental Milestones?

Developmental milestones are the skills that most children achieve as they grow and learn. These milestones include learning to smile, sit, crawl, walk, talk, play, solve problems, and interact with other people.

Each milestone reflects the development of the brain, muscles, senses, and social skills. While every child develops at their own pace, most children reach certain milestones within expected age ranges.

Healthcare professionals use developmental milestones to monitor a child's progress and identify possible developmental delays early. Early identification allows children to receive appropriate support when it can have the greatest impact on learning, communication, and overall development.

 

 

Developmental milestones are age-specific skills that children typically achieve as they grow. They cover five main areas: movement, communication, thinking, social interaction, and self-help skills. Monitoring these milestones helps parents recognise healthy development and identify possible developmental delays or autism early.

 

 

Why Are Developmental Milestones Important?

Understanding developmental milestones helps parents know what to expect as their child grows.

Tracking your child's progress can help you:

• Celebrate new achievements.
• Recognise when development is progressing well.
• Identify developmental delays early.
• Discuss concerns confidently with healthcare professionals.
• Access early intervention services if needed.

 

Research consistently shows that children who receive early identification and intervention often have better outcomes in language, learning, behaviour, and independence than those whose difficulties are recognised later.

Developmental milestones are not intended to compare children or create unnecessary worry. Instead, they provide a guide to help parents and healthcare providers monitor a child's development over time.

 

The Five Areas of Child Development

Child development occurs across several interconnected areas. Progress in one area often supports growth in another.

1. Gross Motor Skills

Gross motor skills involve the large muscles used for movement.

Examples include:

• Holding the head up
• Rolling over
• Sitting
• Crawling
• Walking
• Running
• Jumping
• Climbing

 

Strong gross motor skills allow children to explore their environment, participate in play, and develop independence.

 

 

2. Fine Motor Skills

Fine motor skills involve the small muscles of the hands and fingers.

Examples include:

• Reaching for toys
• Holding objects
• Picking up small items
• Feeding with a spoon
• Turning book pages
• Drawing

• Writing

   

These skills become increasingly important for school readiness and self-care activities.

 

 

3. Language and Communication

Communication development includes both understanding language (receptive language) and expressing thoughts (expressive language).

Examples include:

• Turning toward sounds
• Babbling
• Saying first words
• Following simple instructions
• Using short sentences
• Asking questions

• Having conversations

   

Language development depends on frequent interaction with caregivers through talking, reading, singing, and play.

 

 

4. Social and Emotional Development

This area focuses on how children relate to others and manage emotions.

Examples include:

• Smiling
• Making eye contact
• Playing with others
• Showing affection
• Taking turns
• Expressing emotions
• Developing friendships

• Showing empathy

   

Healthy social development forms the foundation for relationships throughout life.

 

 

5. Cognitive Development

Cognitive development refers to thinking, learning, remembering, reasoning, and problem-solving.

Examples include:

• Recognising familiar people
• Exploring toys
• Understanding cause and effect
• Pretend play
• Sorting objects
• Counting
• Remembering routines
• Solving simple problems

 

Cognitive skills continue developing throughout childhood and beyond.

 

 

How Children Develop

Child development begins before birth and continues throughout childhood.

Development is influenced by a combination of:

• Genetics
• Brain development
• Nutrition
• Physical health
• Family relationships
• Play
• Learning opportunities
• Safe environments

• Early experiences

   

Positive interactions with caregivers are especially important during the first five years, when the brain develops rapidly. Talking, reading, singing, playing, cuddling, and responding to your child's needs all help build healthy brain connections.

 

 

Developmental Milestones from Birth to 12 Months

The first year of life is a period of remarkable growth. Babies progress from being completely dependent on their caregivers to exploring the world with increasing independence.

Although every baby develops at their own pace, the milestones below describe what most children achieve during the first year.

 

 

Birth to 2 Months

Gross Motor Skills

Most babies:

• Move both arms and legs actively.
• Lift their head briefly during tummy time.
• Turn their head from side to side.
• Stretch and kick frequently.

 

 

Fine Motor Skills

Most babies:

• Keep their hands tightly closed much of the time.
• Briefly grasp an adult's finger.
• Begin opening their hands more often.

 

 

Communication

Most babies:

• Cry to communicate their needs.
• Become calmer when spoken to.
• Recognise familiar voices.
• Make simple cooing sounds.

 

 

Social and Emotional Development

Most babies:

• Look at caregivers' faces.
• Begin smiling responsively around 6-8 weeks.
• Enjoy being cuddled.
• Make eye contact for short periods.

 

 

Cognitive Development

Most babies:

• Watch moving objects.
• Turn toward familiar voices.
• Show interest in high-contrast patterns.
• Begin learning that caregivers respond to their needs.

 

How Parents Can Help

• Enjoy daily skin-to-skin contact.
• Talk gently during feeding and bathing.
• Sing simple songs and lullabies.
• Give supervised tummy time several times each day.
• Smile back when your baby smiles.

 

 

Developmental Milestones: 2 to 4 Months

Gross Motor Skills

Most babies:

• Hold their head steadily.
• Push up on their forearms during tummy time.

• Roll from tummy to back (some babies).

   

Fine Motor Skills

• Reach toward toys.
• Bring hands together.
• Hold a rattle briefly.

 

Communication

• Laugh aloud.
• Coo frequently.
• Turn toward voices.

 

Social Development

• Smile readily.
• Enjoy interacting with caregivers.
• Respond to facial expressions.

 

Cognitive Development

• Follow moving objects with their eyes.
• Explore toys by looking and touching.

 

How Parents Can Help

• Continue tummy time.
• Read colourful picture books.
• Talk throughout the day.
• Respond to coos and smiles.
• Encourage reaching for toys.

 

 

Developmental Milestones: 4 to 6 Months

Gross Motor Skills

Most babies:

• Roll over.
• Sit with support.
• Push up on straight arms while lying on the tummy.

 

Fine Motor Skills

• Reach accurately.
• Transfer toys between hands.
• Bring objects to the mouth.

 

Communication

• Babble using different sounds.
• Respond to their own name.
• Express excitement through different sounds.

 

Social Development

• Laugh frequently.
• Enjoy peekaboo.
• Show interest in familiar people.

 

Cognitive Development

• Explore objects with curiosity.
• Watch objects that fall.
• Begin understanding cause and effect.

 

How Parents Can Help

• Play peekaboo.
• Read daily.
• Offer safe toys with different textures.
• Encourage rolling and reaching.
• Continue responding to babbling.
• Developmental Milestones from 6 Months to 5 Years
• As babies grow into toddlers and preschoolers, development becomes increasingly complex. Children begin to move independently, communicate their needs, solve simple problems, and build relationships with the people around them.
• Remember that children develop at different rates. Missing one milestone does not necessarily mean something is wrong. However, a pattern of delayed or lost skills should always be discussed with a healthcare professional.

 

 

Developmental Milestones: 6 to 9 Months

At this age, babies become much more active and curious about their surroundings.

Gross Motor Skills

Most babies:

• Sit without support.
• Roll easily in both directions.
• Begin crawling or moving around by shuffling.
• Bear weight on their legs when supported.
• Move from lying to sitting with little help.

 

Fine Motor Skills

Most babies:

• Transfer toys smoothly from one hand to the other.
• Pick up toys using the whole hand.
• Bang two objects together.
• Reach accurately for objects.

 

Language and Communication

Most babies:

• Babble repeatedly using sounds such as "ba-ba," "ma-ma," or "da-da."
• Turn when their name is called.
• Respond to familiar words such as "no."
• Enjoy listening to songs and nursery rhymes.

 

Social and Emotional Development

Most babies:

• Recognise familiar people.
• Show preferences for parents or caregivers.
• Smile and laugh during games.
• May become anxious around strangers.

 

Cognitive Development

Most babies:

• Look for a toy that has been partially hidden.
• Explore objects by shaking, banging, and mouthing them.
• Understand simple routines.
• Show curiosity about new objects.

 

How Parents Can Help

• Encourage floor play instead of prolonged time in baby walkers or seats.
• Play interactive games such as peekaboo and pat-a-cake.
• Read brightly coloured books every day.
• Name everyday objects during play.
• Allow your baby to safely explore different textures and household items.

 

 

Developmental Milestones: 9 to 12 Months

By the end of the first year, many babies are preparing to take their first independent steps.

Gross Motor Skills

Most babies:

• Pull themselves to stand.
• Cruise along furniture.
• Stand briefly without support.
• Take a few independent steps (some babies).

 

Fine Motor Skills

Most babies:

• Use a thumb-and-finger (pincer) grasp.
• Pick up small pieces of food.
• Point with one finger.
• Drop objects into containers.

 

Language and Communication

Most babies:

• Understand simple instructions.
• Wave goodbye.
• Shake their head for "no."
• Say one or two meaningful words such as "Mama" or "Dada."

 

Social and Emotional Development

Most babies:

• Clap during songs.
• Copy simple actions.
• Enjoy interactive games.
• Show affection toward familiar people.

 

Cognitive Development

Most babies:

• Search for hidden objects.
• Copy gestures.
• Begin using objects appropriately, such as pretending to drink from a cup.

 

How Parents Can Help

• Encourage cruising by placing safe furniture close together.
• Read picture books daily.
• Name family members and familiar objects.
• Celebrate attempts to communicate.
• Give opportunities for self-feeding with finger foods.

 

 

Developmental Milestones: 12 to 18 Months

Toddlers become increasingly independent during this period.

Gross Motor Skills

Most children:

• Walk independently.
• Climb onto furniture.
• Pull toys while walking.
• Begin climbing stairs with assistance.

 

Fine Motor Skills

Most children:

• Stack two or three blocks.
• Scribble with crayons.
• Drink from a cup.
• Feed themselves using a spoon with some spills.

 

Language and Communication

Most children:

• Say several meaningful words.
• Follow one-step instructions.
• Point to body parts when asked.
• Use gestures alongside words.

 

Social and Emotional Development

Most children:

• Bring objects to show caregivers.
• Enjoy simple pretend play.
• Show affection.
• May experience separation anxiety.

 

Cognitive Development

Most children:

• Match familiar objects.
• Copy household activities.
• Understand simple cause and effect.
• Recognise familiar routines.

 

How Parents Can Help

• Read together every day.
• Encourage walking outdoors in safe environments.
• Let your child help with simple household tasks.
• Provide stacking toys, shape sorters, and large puzzles.
• Praise efforts rather than perfection.

 

 

Developmental Milestones: 18 to 24 Months

This period is marked by rapid language growth and increasing curiosity.

Gross Motor Skills

Most children:

• Run.
• Kick a ball.
• Walk up steps with assistance.
• Begin jumping with both feet.

 

Fine Motor Skills

Most children:

• Build towers of four to six blocks.
• Turn book pages.
• Use a spoon and fork more independently.
• Draw simple lines.

 

Language and Communication

Most children:

• Use at least 50 words.
• Combine two-word phrases such as "want milk."
• Follow two-step instructions.
• Name familiar objects.

 

Social and Emotional Development

Most children:

• Enjoy playing beside other children (parallel play).
• Copy adults during household activities.
• Express a wider range of emotions.
• Begin showing independence.

 

Cognitive Development

Most children:

• Complete simple puzzles.
• Identify common pictures.
• Sort objects by shape or colour.
• Engage in simple pretend play.

 

How Parents Can Help

• Ask simple questions during play.
• Read books with repetitive phrases.
• Encourage pretend play using dolls or toy kitchen sets.
• Spend time outdoors exploring nature.
• Limit screen time and encourage active play.

 

 

Developmental Milestones: 2 Years

By two years, children become much more confident communicators and explorers.

Most children can:

• Run well.
• Climb furniture.
• Kick and throw a ball.
• Build towers of six or more blocks.
• Use short two- to three-word sentences.
• Point to pictures in books.
• Follow two-step instructions.
• Begin toilet training when developmentally ready.
• Engage in pretend play.
• Show increasing curiosity about how things work.

 

How Parents Can Help

• Encourage conversations throughout the day.
• Offer crayons, blocks, and simple puzzles.
• Read together daily.
• Encourage outdoor physical play.
• Praise independence while providing guidance.

 

 

Developmental Milestones: 3 Years

Three-year-olds develop stronger language, imagination, and social skills.

Most children can:

• Climb well.
• Ride a tricycle.
• Walk up and down stairs using alternating feet.
• Draw circles.
• Speak in sentences of three to five words.
• Ask many questions.
• Name familiar colours.
• Take turns during play.
• Dress with some assistance.
• Enjoy imaginative games.

 

How Parents Can Help

• Encourage drawing and colouring.
• Read longer storybooks.
• Play games involving taking turns.
• Sing songs and nursery rhymes.
• Encourage pretend play with everyday objects.

 

 

Developmental Milestones: 4 Years

By four years, children become more independent and socially aware.

Most children can:

• Hop on one foot.
• Catch a bounced ball.
• Use scissors with supervision.
• Draw simple people.
• Tell short stories.
• Understand simple time concepts.
• Play cooperatively with other children.
• Follow three-step instructions.
• Recognise several colours and numbers.

 

How Parents Can Help

• Encourage group play.
• Practice counting during everyday activities.
• Read books together and ask questions about the story.
• Provide opportunities for imaginative play.
• Encourage self-care skills such as dressing.

 

 

Developmental Milestones: 5 Years

By five years, many children are preparing for primary school.

Most children can:

• Skip and hop confidently.
• Balance on one foot for several seconds.
• Draw recognisable shapes and people.
• Write some letters of their name.
• Speak clearly in complete sentences.
• Count beyond ten.
• Follow several-step instructions.
• Understand basic rules during games.
• Show empathy for others.
• Complete many self-care activities independently.

 

How Parents Can Help

• Read together every day.
• Encourage storytelling.
• Practice early writing through play.
• Provide opportunities for outdoor exercise.
• Promote problem-solving through games and puzzles.

 

 

Developmental Milestone Summary Table

Age	Typical Milestones
Birth-6 months	Smiles, coos, rolls over, reaches for toys
6-12 months	Sits, crawls, pulls to stand, babbles, waves
12-18 months	Walks, scribbles, says several words, follows simple instructions
18-24 months	Runs, combines two words, pretend play, completes simple puzzles
2 years	Uses short phrases, climbs, kicks a ball, follows two-step instructions
3 years	Speaks in sentences, rides a tricycle, draws circles, imaginative play
4 years	Hops, catches a ball, tells stories, plays cooperatively
5 years	Writes some letters, counts, follows multi-step instructions, prepares for school

 

 

 

Developmental Red Flags, Screening, and When to Seek Help

Although every child develops at their own pace, some delays may indicate an underlying developmental condition that needs further assessment. Learning to recognise these early warning signs can help parents seek support before difficulties become more significant.

Remember, a missed milestone does not automatically mean a child has autism or another developmental disorder. However, if your child is missing several milestones, stops using skills they previously had, or you are worried about their development, it is important to seek professional advice promptly.

Early identification and intervention can make a meaningful difference to a child's communication, learning, behaviour, and independence. 

 

 

Developmental Red Flags by Age

By 6 Months

Speak to your healthcare provider if your baby:

• Does not smile at familiar people.
• Has poor head control.
• Does not respond to loud sounds.
• Does not reach for toys.
• Shows very little interest in people.
• Has unusually stiff or floppy muscles.

 

 

By 9 Months

Seek assessment if your baby:

• Cannot sit without support.
• Does not babble.
• Does not respond to their name.
• Does not make eye contact consistently.
• Shows little interest in interactive games.
• Does not bear weight on their legs when supported.

 

 

By 12 Months

Concerning signs include:

• Not crawling or moving around.
• Not pulling to stand.
• No pointing, waving, or other gestures.
• No meaningful words.
• Limited interest in people.

• Loss of previously acquired skills.

   

 

By 18 Months

Discuss your concerns if your child:

• Is not walking independently.
• Uses very few words.
• Does not imitate others.
• Does not point to show interest.
• Appears unaware when others speak to them.
• Has lost previously acquired language or social skills.

 

 

By 2 Years

Children should be assessed if they:

• Are not combining two words together.
• Cannot follow simple instructions.
• Rarely make eye contact.
• Show little interest in playing with others.
• Have repetitive behaviours that interfere with daily life.

• Lose language or social skills.

   

 

By 3-5 Years

Seek professional advice if your child:

• Has speech that is difficult to understand.
• Cannot follow simple instructions.
• Avoids interacting with other children.
• Has significant difficulty with play.
• Cannot perform age-appropriate self-care skills.
• Shows persistent developmental regression.

 

Please note: Loss of previously acquired skills (developmental regression) at any age requires prompt medical assessment.

 

 

 

Developmental Delay versus Autism Spectrum Disorder

Parents often wonder whether a delayed milestone means their child has autism. The answer is not necessarily.

A developmental delay means a child is slower than expected in one or more developmental areas, such as speech, movement, learning, or social skills. Some children catch up over time, while others require ongoing support.

Autism spectrum disorder (ASD) is a neurodevelopmental condition characterised by persistent differences in social communication and interaction, together with restricted or repetitive behaviours, interests, or sensory responses. Some autistic children also have developmental delays, while others meet many milestones on time, particularly in motor development.

For example:

• A child with isolated speech delay may communicate well using gestures and enjoy social interaction.
• A child with autism may have delayed speech alongside reduced eye contact, limited use of gestures, differences in social reciprocity, repetitive behaviours, or unusual sensory responses.

 

Only a comprehensive developmental assessment can determine the cause of a child's delays. Never rely on online information alone to make a diagnosis.

Read: Early Signs of Autism

 

 

Developmental Milestones in Nigerian Children

Most Nigerian children achieve developmental milestones within the same broad age ranges described internationally. However, culture, caregiving practices, nutrition, healthcare access, and opportunities for early learning may influence exactly when some milestones are reached.

One of the earliest Nigerian studies found that many Nigerian infants achieved certain gross motor milestones, such as sitting and walking, slightly earlier than children in some Western populations. Researchers suggested that common caregiving practices, including frequent carrying, upright positioning, and active handling of infants, might contribute to these differences.

More recently, Nigerian researchers developed the Ibadan Simplified Developmental Screening (ISDS) Chart, a culturally appropriate developmental screening tool designed specifically for Nigerian infants. Validation studies found that the ISDS demonstrated good performance when compared with internationally recognised screening tools, making it a promising option for routine developmental monitoring in resource-limited settings. 

These findings highlight the importance of using culturally relevant approaches while recognising that developmental concerns should never be dismissed simply because "every child develops differently."

 

What Can Affect a Child's Development?

Many factors influence how children grow and develop.

Nutrition

The developing brain requires adequate nutrients, including iron, iodine, vitamin D, zinc, essential fatty acids, and protein. Poor nutrition during pregnancy and early childhood may affect learning, attention, behaviour, and overall development.

 

Prematurity and Low Birth Weight

Babies born prematurely or with low birth weight have a higher risk of developmental delays and may benefit from closer developmental follow-up.

 

Medical Conditions

Development may be affected by:

• Birth complications
• Hearing impairment
• Vision problems
• Frequent infections
• Chronic illnesses
• Genetic conditions
• Neurological disorders

 

Family Interaction

• Children learn best through responsive relationships.

• Talking, reading, singing, playing, and responding to your child's attempts to communicate all help build healthy brain connections.

   

Safe and Stimulating Environments

Children benefit from opportunities to:

• Explore safely.
• Play outdoors.
• Interact with other children.
• Solve simple problems.
• Develop independence.

 

Poverty and Limited Access to Healthcare

Children living in disadvantaged settings may experience additional risks due to poor nutrition, reduced stimulation, and delayed access to healthcare and early intervention services.

 

 

Developmental Screening

Developmental monitoring and developmental screening are related but different.

Developmental monitoring is the ongoing process of observing whether a child is reaching expected milestones over time.

Developmental screening uses standardised questionnaires or assessment tools to identify children who may require a more detailed evaluation. 

Healthcare professionals may recommend developmental screening during routine well-child visits, particularly if concerns arise.

Common screening tools include:

• Ages and Stages Questionnaire (ASQ-3)
• Modified Checklist for Autism in Toddlers, Revised with Follow-Up (M-CHAT-R/F)
• WHO developmental monitoring guidance
• CDC developmental milestone checklists

 

Developmental screening does not diagnose autism or developmental disorders. Instead, it identifies children who may benefit from further assessment.

 

When Should You Seek Professional Help?

Arrange a developmental assessment if:

• You are worried about your child's development.
• Your child has missed several developmental milestones.
• Your child loses previously acquired skills.
• Your child does not respond to sounds or people.
• Your child has delayed speech or language.
• Your child shows behaviours that concern you.
• Your instincts tell you something is not quite right.

 

Parents are often the first to notice developmental concerns. Trust your observations and discuss them with your child's healthcare provider.

 

 

Frequently Asked Questions

Is it normal for children to reach milestones at different ages?

Yes. There is a normal range for most developmental milestones. Small differences are expected, but persistent delays or loss of skills should be assessed.

Can developmental delays improve?

Yes. Many children make significant progress with early identification, appropriate intervention, and supportive home environments.

Does delayed speech always mean autism?

No. Speech delay has many possible causes, including hearing problems, developmental language disorder, intellectual disability, and autism spectrum disorder. A proper assessment is needed to determine the cause.

Should I wait and see if my child catches up?

If you have concerns, it is better to seek professional advice early rather than waiting. Early intervention is generally more effective than delayed intervention.

 

 

Note

• Developmental milestones help monitor a child's growth from birth to five years.
• Every child develops at their own pace, but persistent delays deserve attention.
• Parents play a vital role in supporting healthy development through responsive interaction, play, good nutrition, and regular healthcare.
• Early developmental screening can identify children who may need additional assessment.
• Early intervention offers the best opportunity to improve long-term outcomes.

 

 

Conclusion

Watching your child grow is one of the greatest joys of parenthood. Every smile, first word, and first step reflects remarkable brain development and learning.

Developmental milestones are not meant to compare children or create unnecessary anxiety. Instead, they provide a practical guide to help you understand your child's progress and recognise when additional support may be needed.

If you are concerned about your child's development, do not wait. Speak with your healthcare provider and request a developmental assessment. Early identification and timely intervention can make a lasting difference in your child's future.

At Autism Parenting in Nigeria (APIN), our mission is to help families navigate child development with confidence through evidence-based education, trusted resources, and practical guidance. Explore our articles on early signs of autism, developmental delay, nutrition, and early intervention, or book a parent guidance session if you would like personalised support.

 

 

References 

1. World Health Organization. Nurturing care for early childhood development: a framework for helping children survive and thrive to transform health and human potential. Geneva: World Health Organization; 2018.

 

2. Centers for Disease Control and Prevention. Learn the Signs. Act Early. Developmental milestones and developmental monitoring. Atlanta (GA): CDC; 2026. Available from: [CDC Learn the Signs. Act Early]

 

3. Aina OF, Morakinyo O. Motor development in Nigerian infants. Dev Med Child Neurol. 1982;24(4):512-20.

 

4. Adeniran A, Omigbodun O, Esimai O, et al. Development and validation of the Ibadan Simplified Developmental Screening chart. Front Pediatr. 2023;11:1072870. 

 

5. Iloh KK, et al. Prevalence, pattern and factors associated with developmental delay among under-five children in Nigeria. Niger Postgrad Med J. 2024;31(2):87-94.

 

6. Prado EL, Dewey KG. Nutrition and brain development in early life. Nutr Rev. 2014;72(4):267-84.

 

7. Kiguli S, et al. Determinants of developmental milestones among children in Uganda. Afr Health Sci. 2018;18(4):923-34.

 

8. Lipkin PH, Macias MM; Council on Children With Disabilities, Section on Developmental and Behavioral Pediatrics. Promoting optimal development: identifying infants and young children with developmental disorders through developmental surveillance and screening. Pediatrics. 2020;145(1):e20193449.