The psychological debate about sibling order has persisted for decades—but it might be time to break up with the popular ...

While personality isn’t set in stone, your birth order can play a large influence, probably due in part to the shifting family dynamics as younger siblings appear (or not). Face it, the firstborn ...

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, ...

It’s an idea perhaps as old as families: Your birth order helps shape who you are. Whether you’re the driven, responsible older kid; the wisecracking, attention-seeking middle child; or the coddled, ...

Ever looked at your kids and thought, “How did they all come from the same womb?” Turns out, birth order might have something to do with it. Psychologists have long studied how your place in the ...

Whether you grew up with siblings or were raised as an only child, you probably understand that your place in the family—or ...

Birth order is a hotly debated — and occasionally hilarious — topic on social media. Though studies say birth order does not affect personality, parents have shared anecdotal evidence about the ...