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アメリカのベビー不況:なぜ何百万人もの人々がゆりかごよりキャリアを選ぶのか——そしてそれは未来にとって何を意味するのか

America's Baby Bust: Why Millions Are Choosing Careers Over Cradles—and What It Means for the Future

米国の出生数が2025年も過去最低を更新。「子どもを持たない」選択が広がる一方、少子化を憂う声も。個人の価値観と社会の未来が揺れる今、その背景を読み解く。
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↓日本語訳が表示されます↓

On April 9, 2026, the CDC reported that the United States had 3,606,400 births in 2025, down 1% from 2024. The general fertility rate also fell 1%, to 53.1 births per 1,000 women ages 15 to 44. Reuters, summarizing the CDC’s provisional data, said this was a record low, showing that America’s long decline in births has not stopped. Teen birth rates fell again as well, reaching another historic low. (cdc.gov)

Why does this matter? Because the numbers reflect not only biology, but also values. Pew Research found that among adults under 50 without children, the share who said they were unlikely ever to have kids rose from 37% in 2018 to 47% in 2023. When asked why, 57% said a major reason was simple: they just did not want children. Others pointed to work, lifestyle, and money: 44% wanted to focus on other things, and 36% said they could not afford a child. In a separate analysis, Pew found that adults in their 20s and 30s now plan to have fewer children than in the past, with their intended family size falling below the replacement level of 2.1 in 2023. (pewresearch.org)

This trend could reshape work in two opposite ways. On one hand, some young adults may invest more time in careers because parenthood is delayed or rejected. On the other hand, for people who do have children, work and care still collide. In 2024, 66.5% of married-couple families with children had both parents employed, yet the Federal Reserve found that mothers still carried much more of the daily care burden than fathers. Even when both parents worked full time, 37% of mothers said they were usually the primary caregiver, compared with 11% of fathers. A 2025 Census working paper also found that higher childcare costs reduce mothers’ labor-force participation. At the same time, there is still no federal law guaranteeing paid family leave for private-sector workers, and BLS data show only 27% had access to paid family leave in 2023. (bls.gov)

So the deeper question is cultural: what is a “good life”? Pew has found that 71% of Americans say having a job or career they enjoy is very or extremely important for a fulfilling life, while only 26% say the same about having children. Yet by September 2025, 53% also said that fewer people having children would be bad for the country. In other words, many Americans are worried about low birth rates in public, while making different choices in private. That tension may define the future of both family life and the workplace. (pewresearch.org)

by EigoBoxAI
作成:2026/04/19 03:04
レベル:中上級 (語彙目安:4000〜6000語)

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