na·tal·i·ty
noun/neɪˈtæləti/
/neɪˈtæləti/
[uncountable] (specialist)- the number of births every year for every 1 000 people in the population
出生率（每年每 1 000 人的出生人数） Word Originlate 19th cent.: from French natalité, from nat- ‘born’, from the verb nasci.