Wikipedia has lots of links to studies. There is also an overview of Gender differences: https://en.wikipedia.org/wiki/Big_Five_personality_traits#Gender_diffe

Wikipedia has lots of links to studies. There is also an overview of Gender differences: https://en.wikipedia.org/wiki/Big_Five_personality_traits#Gender_differences https://en.wikipedia.org/wiki/Big_Five_personality_traits#Ge... "The difference in neuroticism was the most prominent and consistent, with significant differences found in 49 of the 55 nations surveyed."