Age/Stage	Milestone Type	Milestone Description	Typical Age	Notes
Infancy	Physical	Lifts head when on stomach	2 months	Developing neck strength.
Infancy	Cognitive	Recognizes caregiver	2 months	Attachment development.
Infancy	Social	Smiles at people	2 months	Social engagement begins.
Infancy	Physical	Covers the mouth and nose with hands	3 months	Beginning of intentional movement.
Infancy	Cognitive	Follows moving objects with eyes	3 months	Visual tracking improves.
Infancy	Social	Laughs out loud	4 months	Increased social interaction.
Infancy	Physical	Sits with support	4 months	Core muscle development.
Infancy	Cognitive	Reaches for toys	5 months	Hand-eye coordination improves.
Infancy	Social	Responds to own name	5 months	Recognition of identity.
Infancy	Physical	Rolls over in both directions	6 months	Increased mobility.
Infancy	Cognitive	Imitates sounds	6 months	Language skills start to form.
Infancy	Social	Cries differently for different needs	7 months	Communication begins.
Infancy	Physical	Sits without support	8 months	Balance and core strength develop.
Infancy	Cognitive	Explores objects with hands and mouth	8 months	Sensory exploration.
Infancy	Social	Waves bye-bye	9 months	Understanding social gestures.
Infancy	Physical	Pulls to stand	9 months	Strength in legs increases.
Infancy	Cognitive	Finds hidden objects easily	10 months	Object permanence develops.
Infancy	Social	Shows fear of strangers	10 months	Social-emotional development.
Infancy	Physical	Takes a few steps without holding on	11 months	Starting to walk.
Infancy	Cognitive	Says 'mama' and 'dada'	11 months	First words start to form.
Infancy	Social	Shows preference for certain people and toys	12 months	Independence begins.
Toddler	Physical	Walks alone	12 months	Major milestone for mobility.
Toddler	Cognitive	Explores objects in various ways	12 months	Curiosity and exploration.
Toddler	Social	Shows fear of separation from parents	12 months	Attachment issues may arise.
Toddler	Physical	Stands on tiptoe	15 months	Increased balance and strength.
Toddler	Cognitive	Turns books pages	15 months	Cognitive development in reading.
Toddler	Social	Follows simple instructions	15 months	Understanding concepts of commands.
Toddler	Physical	Walks up stairs holding on	18 months	Developing coordination and strength.
Toddler	Cognitive	Knows what ordinary things are	18 months	Semantic language skills develop.
Toddler	Social	Imitates adults and friends	18 months	Learning through observation.
Toddler	Physical	Runs and jumps	24 months	Increased gross motor skills.
Toddler	Cognitive	Begins to sort shapes and colors	24 months	Cognitive skills in categorization.
Toddler	Social	Engages in parallel play	24 months	Socializing with peers begins.
Preschooler	Physical	Kicks a ball	3 years	Improved coordination.
Preschooler	Cognitive	Can count to 10	3 years	Numerical understanding starts.
Preschooler	Social	Cooperates with other children	3 years	Learning social skills.
Preschooler	Physical	Climbs well	4 years	Coordination and strength improve.
Preschooler	Cognitive	Can say first and last name	4 years	Identity and self-awareness.
Preschooler	Social	Likes to sing, dance, and act	4 years	Increased expression of self.
Preschooler	Physical	Can hop and stand on one foot	5 years	Balance skills develop.
Preschooler	Cognitive	Can draw a person with at least six body parts	5 years	Fine motor skills improve.
Preschooler	Social	Wants to please friends	5 years	Social dynamics develop.
Preschooler	Physical	Can skip and gallop	6 years	Advanced gross motor skills.
Child	Cognitive	Can add and subtract	6 years	Basic arithmetic skills developed.
Child	Social	Begins to form friendships	6 years	Social skills strengthen.
Child	Physical	Swings and climbs easily	7 years	Improved coordination and confidence.
Child	Cognitive	Understands the concept of time	7 years	Cognitive maturity improves.
Child	Social	Shows more independence	7 years	Letting go of reliance on parents.
Child	Physical	Participates in team sports	8 years	Collaboration and team-building skills.
Child	Cognitive	Reads simple books	8 years	Reading skills developing.
Child	Social	Helps with household tasks	8 years	Understanding of responsibility.
Child	Physical	Riding a bike without training wheels	9 years	Major milestone in independence.
Child	Cognitive	Understands different perspectives	9 years	Social-emotional understanding.
Child	Social	Negotiates with friends	9 years	Advanced conflict resolution skills.
Child	Physical	Can use a variety of tools	10 years	Fine motor skills and coordination improve.
Child	Cognitive	Comprehends more complex concepts	10 years	Cognitive abilities expand.
Child	Social	Learns to handle peer pressure	10 years	Critical social skills emerge.
Child	Physical	Develops endurance for longer activities	11 years	Physical stamina improves.
Child	Cognitive	Plans and organizes tasks	11 years	Executive functioning skills develop.
Child	Social	Builds deeper friendships	11 years	Quality of relationships improves.
Child	Physical	Participates in competitive sports	12 years	Cooperation and competition understanding.
Child	Cognitive	Can analyze and critique information	12 years	Critical thinking skills enhance.
Child	Social	Begins to establish a personal identity	12 years	Self-concept formation.
Teenager	Physical	Growth spurts occur	13 years	Significant physical development.
Teenager	Cognitive	Understands moral implications	13 years	Development of ethics and morality.
Teenager	Social	Experiments with different social roles	13 years	Identity exploration.
Teenager	Physical	Develops independent hygiene routines	14 years	Increased personal responsibility.
Teenager	Cognitive	Thinks abstractly and critically	14 years	Enhanced problem-solving capabilities.
Teenager	Social	Develops deeper relationships	14 years	Emotional connections deepen.
Teenager	Physical	Participates in more intense physical activities	15 years	Increased strength and skills.
Teenager	Cognitive	Applies knowledge to real-world scenarios	15 years	Practical application of learning.
Teenager	Social	Negotiates relationships with authority figures	15 years	Conflict resolution and assertiveness.
Teenager	Physical	Achieves peak physical fitness	16 years	Optimal physical capability.
Teenager	Cognitive	Explores career interests	16 years	Career and future planning.
Teenager	Social	Experiences more autonomy	16 years	Self-governing life choices.
Teenager	Physical	Final stages of growth spurts	17 years	Maturity in physical appearance.
Teenager	Cognitive	Analyzes different viewpoints	17 years	Development of empathy.
Teenager	Social	Establishes long-term friendships	17 years	Understanding of loyalty and commitment.
Teenager	Physical	Begins to focus on personal health and fitness	18 years	Introduction to lifelong health habits.
Teenager	Cognitive	Makes independent decisions	18 years	Early adulthood skill developments.
Teenager	Social	Expands social network after high school	18 years	Transitioning to adulthood.
Young Adult	Physical	Maintains physical health	19 years	Establishing routines.
Young Adult	Cognitive	Enhances critical thinking and analysis	19 years	Adapting to complex environments.
Young Adult	Social	Navigates adult relationships	19 years	Understanding of mature relationships.
Young Adult	Physical	Participates in community fitness activities	20 years	Promoting active lifestyle.
Young Adult	Cognitive	Manages career responsibilities	20 years	Professional growth begins.
Young Adult	Social	Develops romantic relationships	20 years	Intimacy and emotional connections improve.
Young Adult	Physical	Engages in regular health check-ups	21 years	Preventative health measures.
Young Adult	Cognitive	Continued education or training	21 years	Career advancement decisions.
Young Adult	Social	Begins to settle down into family life	21 years	Understanding commitment in relationships.
Young Adult	Physical	Good nutrition and exercise habits developed	22 years	Healthy lifestyle formation.
Young Adult	Cognitive	Financial independence and budgeting skills	22 years	Life skills for adulthood.
Young Adult	Social	Builds a social circle in a new community	22 years	Adaptation to new environments.
Young Adult	Physical	Participates in diverse physical activities	23 years	Physical and social engagement.
Young Adult	Cognitive	Advanced career planning	23 years	Long-term goals set.
Young Adult	Social	Understanding work-life balance	23 years	Navigating adulthood responsibilities.
Young Adult	Physical	Prioritizes mental health and wellness	24 years	Awareness of emotional well-being.
Young Adult	Cognitive	Evaluates the impact of decisions	24 years	Life decisions and consequences.
Young Adult	Social	Creates a support network	24 years	Social skills utilized in adulthood.
Middle Age	Physical	Regular health screenings	35 years	Preventative measures increasingly important.
Middle Age	Cognitive	Adapts to changes in career or personal life	35 years	Resilience develops.
Middle Age	Social	Fosters deeper community connections	35 years	Community engagement and support.
Middle Age	Physical	Incorporates stress management techniques	36 years	Mental health awareness increases.
Middle Age	Cognitive	Engages in lifelong learning	36 years	Continued personal and professional growth.
Middle Age	Social	Mentors younger generations	36 years	Knowledge sharing and leadership.
Middle Age	Physical	Regularly exercises to manage weight	37 years	Maintaining optimal health.
Middle Age	Cognitive	Reflects on life experiences and values	37 years	Self-awareness deepens.
Middle Age	Social	Strengthens family bonds	37 years	Family values and connections emphasized.
Middle Age	Physical	Understands the importance of cardiometabolic health	38 years	Focus on heart health.
Middle Age	Cognitive	Navigates career transitions or enhancements	38 years	Adapting to new roles.
Middle Age	Social	Participates in community service	38 years	Importance of giving back.
Middle Age	Physical	Acknowledges the need for flexibility and mobility	39 years	Preventing injuries with age.
Middle Age	Cognitive	Adapts to technological changes	39 years	Staying relevant in modern age.
Middle Age	Social	Embarks on new hobbies or interests	39 years	Growth in personal interests.
Older Adult	Physical	Maintains an active lifestyle	65 years	Physical wellness becomes essential.
Older Adult	Cognitive	Continues participating in social activities	65 years	Engagement in community life.
Older Adult	Social	Strengthens family relationships	65 years	Importance of familial ties.
Older Adult	Physical	Participates in rehab or physical therapy if necessary	66 years	Improving quality of life after injury.
Older Adult	Cognitive	Encouragement to learn new skills	66 years	Intellectual stimulation is critical.
Older Adult	Social	Stays connected with friends	66 years	Social interactions help mental health.
Older Adult	Physical	Engages in low-impact exercises	67 years	Emphasis on joint health and mobility.
Older Adult	Cognitive	Volunteering or mentoring younger generations	67 years	Sharing wisdom and skills.
Older Adult	Social	Attends community events	67 years	Social connections and participation.
Older Adult	Physical	Maintains a healthy diet	68 years	Nutritional awareness increases with age.
Older Adult	Cognitive	Continues to plan for financial security	68 years	Ensure stability in retirement years.
Older Adult	Social	Participates in support groups	68 years	Social support during life changes.
Older Adult	Physical	Focuses on mental health exercises	69 years	Cognitive exercises enhance quality of life.
Older Adult	Cognitive	Reflecting on lifetime achievements	69 years	Personal history and values become clear.
Older Adult	Social	Builds intergenerational relationships	69 years	Importance of community across ages.
Older Adult	Physical	Emphasizes balance and fall prevention	70 years	Preventative health strategies become key.
Older Adult	Cognitive	Participates in book clubs or educational courses	70 years	Learning opportunities continue.
Older Adult	Social	Shares life lessons with youth	70 years	Legacy and wisdom sharing.
Older Adult	Physical	Maintains mobility with assistive devices if necessary	71 years	Emphasizing independence.
Older Adult	Cognitive	Engages with technologies for communication	71 years	Adapting to modern communication tools.
Older Adult	Social	Values and seeks quality of life	71 years	Focus on happiness and satisfaction.
Older Adult	Physical	Takes regular health checkups and assessments	72 years	Health monitoring is critical.
Older Adult	Cognitive	Continues to participate in meaningful activities	72 years	Maintaining engagement in life.
Older Adult	Social	Establishes friendships with peers	72 years	Valuing peer relationships.
Older Adult	Physical	Pursues adaptable physical activities	73 years	Remaining active within limits.
Older Adult	Cognitive	Reflects on life lessons	73 years	Gaining wisdom through experience.
Older Adult	Social	Engages in online communities or groups	73 years	Expanding social networks.
Older Adult	Physical	Prioritizes self-care and mental wellness	74 years	Mental health remains paramount.
Older Adult	Cognitive	Embarks on new personal projects	74 years	Continued growth and exploration.
Older Adult	Social	Celebrates milestones with family	74 years	Social gatherings are meaningful.
Older Adult	Physical	Invests in home modifications for mobility	75 years	Enhancing living conditions for safety.
Older Adult	Cognitive	Surveys thoughts on life satisfaction	75 years	Understanding personal contentment.
Older Adult	Social	Continues participating in hobbies	75 years	Maintaining interests nurtures joy.
Older Adult	Physical	Recognizes signs of aging and adapts	76 years	Adapting to ensure comfort.
Older Adult	Cognitive	Uses memory aids to foster cognitive health	76 years	Technology aids memory retention.
Older Adult	Social	Seeks travel or experiences	76 years	Life enrichment through new adventures.
Older Adult	Physical	Welcomes help when needed	77 years	Emphasizing community support.
Older Adult	Cognitive	Engages in trivia or games for cognitive health	77 years	Memory and stimulation through fun activities.
Older Adult	Social	Understands the impact of grief and loss	77 years	Navigating emotional health.
Older Adult	Physical	Makes adjustments for healthy mobility	78 years	Focus on independent living.
Older Adult	Cognitive	Engages in discussions about shared experiences	78 years	Building rapport and connection.
Older Adult	Social	Refines relationships and priorities	78 years	Focus on significant connections.
Older Adult	Physical	Regularly practices relaxation techniques	79 years	Focus on stress relief and peace.
Older Adult	Cognitive	Creates life story projects and memoirs	79 years	Preserving legacy and history.
Older Adult	Social	Participates in groups that foster dialogue	79 years	Encouraging social engagement.
Older Adult	Physical	Remains proactive about healthcare	80 years	Understanding health is key to satisfaction.
Older Adult	Cognitive	Plans for future family interactions	80 years	Engagement with upcoming generations.
Older Adult	Social	Strengthens friendships with regular communication	80 years	Consistent social engagement is important.