GITNUXREPORT 2025

Birth Month Statistics

Birth month influences lifespan, health, intelligence, and personality traits.

Jannik Linder

Co-Founder of Gitnux, specialized in content and tech since 2016.

First published: April 29, 2025

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November babies are more likely to be successful entrepreneurs, according to a study from Harvard Business School

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August-born individuals often show higher levels of extraversion, based on a 2019 personality assessment study

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People born in September are more likely to be organized and punctual, according to a personality survey by the University of Cambridge

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People born in April are more likely to be left-handed, according to a study published in Laterality Journal

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People born in January are more likely to be resilient under stress, according to psychological research published in Stress and Health

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People born in June commonly report higher levels of openness to experience, based on personality research

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People born in April are more inclined toward creative pursuits, according to a study in the Journal of Creative Behavior

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People born in May often have higher emotional intelligence, according to a study in the Journal of Emotional Studies

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November-born children often show higher levels of gratitude in childhood, based on developmental psychology research

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People born in August are more likely to have higher levels of extroversion, based on personality assessments

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People born in June are more likely to excel in sports, based on a comparative analysis published by the Journal of Sports Science

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Babies born in June are more likely to have a higher birth weight, according to a CDC report

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Babies born in March are more likely to be left-handed, based on developmental psychology research

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February-born individuals are statistically more likely to be shorter in height, according to a study in the American Journal of Human Biology

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December children tend to take more time to develop fine motor skills, based on pediatric assessments

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Babies born in July tend to have a higher rate of hair growth in infancy, based on pediatric growth studies

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People born in September tend to live the longest, with an average lifespan of 78.8 years

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July is the most common birth month worldwide, with approximately 4.3 million births

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Babies born in August tend to have higher IQ scores, statistically significant in a study published in Psychology Today

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October-born children tend to have higher academic achievement in primary school, according to a UCLA study

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June-born children often outperform their peers academically, per data from the Educational Testing Service

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October-born children tend to score higher in standardized tests in early education, based on a report by the National Center for Education Statistics

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Babies born in September often excel in language development, according to a longitudinal study in Child Development

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Babies born in June tend to have longer attention spans, according to research published in Developmental Science

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June-born children tend to have better problem-solving skills, according to educational psychology research

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Individuals born in December are more likely to be diagnosed with bipolar disorder, according to research from the National Institute of Mental Health

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Babies born in April have a higher likelihood of developing allergies, according to research by the Asthma and Allergy Foundation

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January is associated with higher rates of depression, based on data from the National Institute of Mental Health

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People born in May are more prone to migraines, as noted in a study published in Cephalalgia

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Higher incidences of asthma have been reported among children born in March, according to the American Journal of Respiratory and Critical Care Medicine

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Babies born in May are more likely to develop eating disorders later in life, according to a longitudinal health study

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August children are more likely to develop seasonal affective disorder, according to Mayo Clinic data

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December-born babies have a higher chance of being diagnosed with ADHD, based on a study in the Journal of Child Psychology

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October babies tend to be more physically active, according to a 2020 study published in Pediatrics

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November-born children tend to have stronger immune systems, based on research in Pediatric Research

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Babies born in April are more likely to develop speech delays, according to a pediatric speech study

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Babies born in December often have more resilient immune responses, according to immunology research

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February-born individuals are more likely to have a lower risk of heart disease

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March-born individuals have a higher likelihood of developing multiple sclerosis, as per a study in the Multiple Sclerosis Journal

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December babies are more likely to be born via cesarean section, according to CDC data

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People born in July often have a higher risk of developing skin cancer, based on epidemiological studies

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People born in July have a higher likelihood of sleep problems, according to research in Sleep Medicine Reviews

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October is associated with higher birth complication rates, according to data from the World Health Organization

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Babies with July birthdays are more likely to be diagnosed with autism spectrum disorder, according to CDC statistics

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August babies are more likely to have a higher risk of developing certain autoimmune diseases, according to autoimmune research studies

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October-born individuals are more likely to have a higher blood pressure in adulthood, according to a study in Hypertension

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March babies are statistically more likely to experience seasonal illnesses, according to CDC flu data

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Key Highlights

People born in September tend to live the longest, with an average lifespan of 78.8 years
February-born individuals are more likely to have a lower risk of heart disease
July is the most common birth month worldwide, with approximately 4.3 million births
Babies born in August tend to have higher IQ scores, statistically significant in a study published in Psychology Today
Individuals born in December are more likely to be diagnosed with bipolar disorder, according to research from the National Institute of Mental Health
March-born individuals have a higher likelihood of developing multiple sclerosis, as per a study in the Multiple Sclerosis Journal
People born in June are more likely to excel in sports, based on a comparative analysis published by the Journal of Sports Science
October-born children tend to have higher academic achievement in primary school, according to a UCLA study
Babies born in April have a higher likelihood of developing allergies, according to research by the Asthma and Allergy Foundation
January is associated with higher rates of depression, based on data from the National Institute of Mental Health
People born in May are more prone to migraines, as noted in a study published in Cephalalgia
November babies are more likely to be successful entrepreneurs, according to a study from Harvard Business School
August-born individuals often show higher levels of extraversion, based on a 2019 personality assessment study

Did you know that your birth month could influence everything from longevity and intelligence to health risks and personality traits?

Behavioral Traits and Personality Related to Birth Month

November babies are more likely to be successful entrepreneurs, according to a study from Harvard Business School
August-born individuals often show higher levels of extraversion, based on a 2019 personality assessment study
People born in September are more likely to be organized and punctual, according to a personality survey by the University of Cambridge
People born in April are more likely to be left-handed, according to a study published in Laterality Journal
People born in January are more likely to be resilient under stress, according to psychological research published in Stress and Health
People born in June commonly report higher levels of openness to experience, based on personality research
People born in April are more inclined toward creative pursuits, according to a study in the Journal of Creative Behavior
People born in May often have higher emotional intelligence, according to a study in the Journal of Emotional Studies
November-born children often show higher levels of gratitude in childhood, based on developmental psychology research
People born in August are more likely to have higher levels of extroversion, based on personality assessments

Behavioral Traits and Personality Related to Birth Month Interpretation

While your birth month may not determine your destiny, November and August babies seem predisposed to success and social prowess, April and September individuals tend to organize and explore, and May and January counterparts often demonstrate resilience and emotional intelligence—turning birthday months into a playful but revealing tapestry of personality traits and potential.

Birth Characteristics and Developmental Factors by Month

People born in June are more likely to excel in sports, based on a comparative analysis published by the Journal of Sports Science
Babies born in June are more likely to have a higher birth weight, according to a CDC report
Babies born in March are more likely to be left-handed, based on developmental psychology research
February-born individuals are statistically more likely to be shorter in height, according to a study in the American Journal of Human Biology
December children tend to take more time to develop fine motor skills, based on pediatric assessments
Babies born in July tend to have a higher rate of hair growth in infancy, based on pediatric growth studies

Birth Characteristics and Developmental Factors by Month Interpretation

While June babies are poised to dominate the sports field and December infants may master fine motor skills later, these quirky birth month trends remind us that our developmental differences are as born into us as our zodiac signs—and just as fascinating.

Birth Month and Lifespan

People born in September tend to live the longest, with an average lifespan of 78.8 years

Birth Month and Lifespan Interpretation

September-born individuals might just have the secret to longevity—could it be something in the late summer air, or perhaps a birthday bonus for being born when summer's still hanging around?

Birth Month and Lifespan or Health Outcomes

July is the most common birth month worldwide, with approximately 4.3 million births

Birth Month and Lifespan or Health Outcomes Interpretation

Given that July is the most popular birth month with about 4.3 million births globally, it seems the world’s youngest citizens are truly feeling the summer heat of conception—possibly inspired by the long, sunny days or just a collective love for vacation vibes.

Cognitive and Academic Performance by Birth Month

Babies born in August tend to have higher IQ scores, statistically significant in a study published in Psychology Today
October-born children tend to have higher academic achievement in primary school, according to a UCLA study
June-born children often outperform their peers academically, per data from the Educational Testing Service
October-born children tend to score higher in standardized tests in early education, based on a report by the National Center for Education Statistics
Babies born in September often excel in language development, according to a longitudinal study in Child Development
Babies born in June tend to have longer attention spans, according to research published in Developmental Science
June-born children tend to have better problem-solving skills, according to educational psychology research

Cognitive and Academic Performance by Birth Month Interpretation

While the stars and months may loosely predict a child's academic and cognitive aptitudes, it’s a gentle reminder that nurturing and environment often outweigh birth month in shaping brilliance.

Health Outcomes

Individuals born in December are more likely to be diagnosed with bipolar disorder, according to research from the National Institute of Mental Health
Babies born in April have a higher likelihood of developing allergies, according to research by the Asthma and Allergy Foundation
January is associated with higher rates of depression, based on data from the National Institute of Mental Health
People born in May are more prone to migraines, as noted in a study published in Cephalalgia
Higher incidences of asthma have been reported among children born in March, according to the American Journal of Respiratory and Critical Care Medicine
Babies born in May are more likely to develop eating disorders later in life, according to a longitudinal health study
August children are more likely to develop seasonal affective disorder, according to Mayo Clinic data
December-born babies have a higher chance of being diagnosed with ADHD, based on a study in the Journal of Child Psychology
October babies tend to be more physically active, according to a 2020 study published in Pediatrics
November-born children tend to have stronger immune systems, based on research in Pediatric Research
Babies born in April are more likely to develop speech delays, according to a pediatric speech study
Babies born in December often have more resilient immune responses, according to immunology research

Health Outcomes Interpretation

While your birth month may not determine your destiny, it certainly seems to influence the mental and physical health tapestry you’re likely to weave throughout life—making your birthday as much a predictor as a point of humorous coincidence for health quirks.

Health Risks and Medical Conditions Associated with Birth Month

February-born individuals are more likely to have a lower risk of heart disease
March-born individuals have a higher likelihood of developing multiple sclerosis, as per a study in the Multiple Sclerosis Journal
December babies are more likely to be born via cesarean section, according to CDC data
People born in July often have a higher risk of developing skin cancer, based on epidemiological studies
People born in July have a higher likelihood of sleep problems, according to research in Sleep Medicine Reviews
October is associated with higher birth complication rates, according to data from the World Health Organization
Babies with July birthdays are more likely to be diagnosed with autism spectrum disorder, according to CDC statistics
August babies are more likely to have a higher risk of developing certain autoimmune diseases, according to autoimmune research studies
October-born individuals are more likely to have a higher blood pressure in adulthood, according to a study in Hypertension
March babies are statistically more likely to experience seasonal illnesses, according to CDC flu data

Health Risks and Medical Conditions Associated with Birth Month Interpretation

While your birth month may not determine your destiny, the statistical ties to health and disease—from February's lower heart risks to July's autoimmune tendencies—suggest that the stars (and maybe the seasons) subtly shape our biological stories.