13:05, 27 февраля 2026Бывший СССР
The report pointed out how birth rates in the U.S. have been below the minimum replacement rate since 2008, meaning that the bulk of population growth since then has been the result of immigration. This has proved especially true for the country’s labor force. Nearly 80% of immigrants are of working age, according to the Census, and they account for 19% of the workforce, around 33 million people.
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At the other extreme: if you’re coding for a space probe on a 50-year mission, almost all errors are expected, including catastrophic hardware failures.
美國皮尤研究中心高級人口統計學者康拉德·哈克特博士（Dr Conrad Hackett）研究全球宗教群體規模。