Facebook’s for grown ups
It’s simpler and more attractive for older users to join Facebook. Motivated by access to news and images of their friends and relatives, they can see the value and engage quickly.
Twitter’s for kids
Twitter demands more tech familiarity, being adept at text messages, understanding hashtags and the evolving online vocabulary.
Older people are proportionately more right wing and younger people more left wing, so they gravitate to the social media platform that best suits them.