Some anecdotal data. My father's parents had 8 surviving children. My mother's parents had 8 surviving children. My parents had 4 surviving children. I have

Some anecdotal data. My father's parents had 8 surviving children. My mother's parents had 8 surviving children. My parents had 4 surviving children. I have 4 children. My siblings have, on average, 3 children, and will probably have 3.5 over time. My cousin's have on average 3.5 children. Grandparents: Asian. Parents: Asian and lived in Middle East half their life. Me and siblings: Living primarily in Middle East.