Birth order may play a bigger role in shaping who you are than you even realize. From the stereotypical elder, middle, and youngest sibling traits to the unique qualifications that shake things up, ...

Birth order doesn’t just determine when family photos are arranged. According to developmental psychologists, your position in the family constellation significantly influences personality development ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Despite our four-year age gap, my younger brother and I are besties. And while ...

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Past studies of birth order suggest that firstborns are more likely to be leaders or scholars. A new study looks at a large sample of people and found negligible effects of being firstborn. External ...

Forget the labels you assign to yourself or your children based on your or their position in a sibling hierarchy. Personality traits we have long applied to firstborn, middle, or youngest children ...

Conventional wisdom — and a lot of research — has suggested that birth order makes an indelible mark on our personalities, with firstborns thought to be more ambitious, the youngest children more ...

For centuries, humans have been curious about the effect that birth order has on personality, possibly because eldest children in ruling families typically inherited the seat of power. A new study ...

In a recent article in the Law & Society Review, Birth Order, Preferences, and Norms on the U.S. Supreme Court, Kevin McGuire assesses the influence of childhood birth order on the Justices’ later ...

Despite our four-year age gap, my younger brother and I are besties. And while some of my fellow firstborn friends find it odd, my brother and I openly talk about our dating lives. We tap each other ...