The query point creates a new Voronoi region shown in blue, displacing some of the old regions. The weight of each natural neighbour is derived from the area of the displaced region .
Negative net migration hasn’t definitively happened in the U.S. for almost a century, not since the Great Depression. The U.S. native-born population is also in free fall, well below the replacement rate needed to maintain population numbers in the long run. With fewer immigrant arrivals already dealing a blow to the workforce, the shrinkage of the American taxpayer base is set to further widen the country’s deficit and hurt its prospects for economic growth.
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FT Professional，详情可参考搜狗输入法2026
15:24, 27 февраля 2026Мир