A large family may have several middle children. This will affect the experiences of each child and the experiences they have depending on their birth order. But, there is no doubt that birth order affects relationships between family members, and possibly to a lesser extent, personality and life experience in general.

Does birth order matter in relationships?

To make things more complicated, psychologists believe that we might be more suited to each other depending on the order in which we were born. According to psychologist Kevin Leman in his book The New Birth Order Book: Why You are the Way You are, birth order can influence the health of a partnership.

Does birth order actually affect personality?

Birth order does not appear to influence personality in adults, according to several ambitious studies published in the past few years. This new wave of research relied on larger data sets and more robust statistical methods than earlier reports that claimed to find a relationship between birth order and personality.

Does birth order affect relationship with your mom?

Birth order is fascinating. It can have an effect on everything from our personality to our earning power, to how we compete for attention. Generally, people focus more on birth order in terms of its effects on the relationships between siblings, and less on its effect on the relationships between parents and children.