In America, a one-percentage point increase in the proportion of immigrants in the population made the native-born 0.05% better off.

在美国，移民在人口中所占比例每增加一个百分点，本土出生的人口生活水平就会提高0.05%。

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Denmark's native population is more or less stable, but some 3.9% of babies born there in 2003 (the most recent year for which figures are available) were the result of IVF.

丹麦的国民人口数相对稳定，但二零零三(最新人口统计数)年在丹麦出生的3.9%的婴儿都是应用试管授精的结果。

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In all cases, the native-born population has also grown rapidly along with economic growth.

FORBES: Magazine Article

Indeed, for the nine-tenths of the population that is native-born, middle-income trends continue their improvement of the 1950s and 1960s.

ECONOMIST: The economy

However, the fact that immigrants eventually surpass their native-born counterparts also suggests that migration is a selective process, bringing the more ambitious or venturesome elements of a population.

FORBES: Four Easy Ways For Republicans To Attract Immigrant Voters