7 Surprising Ways Birth Order Affects Us

2 – Last-born children are more altruistic, agreeable, tender-minded, and warm.

Saroglou and Fiasse (2003) also found some interesting effects of birth order on the last born child. They were found, either by their own ratings or by their parents, to generally be more altruistic in nature. They were also more agreeable, tender-minded and warm – as rated by their parents. Additionally, they were rated as higher in trust, straightforwardness, and compliance with rules.