研究：世界人口将在2064年达到峰值后开始下降
<p>科学家预测，世界人口将在2064年达到97亿的峰值，然后就开始下降，到2100年将降至88亿，包括日本、意大利在内的23个国家的人口将减少一半，全球人口结构也将发生重大变化。</p><p><span word="The">The</span> <span word="world">world</span>'<span word="s">s</span> <span word="population">population</span> <span word="is">is</span> <span word="likely">likely</span> <span word="to">to</span> <span word="peak">peak</span> <span word="at">at</span> 9.7 <span word="billion">billion</span> <span word="in">in</span> 2064, <span word="and">and</span> <span word="then">then</span> <span word="decline">decline</span> <span word="to">to</span> <span word="about">about</span> 8.8 <span word="billion">billion</span> <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="the">the</span> <span word="century">century</span>, <span word="as">as</span> <span word="women">women</span> <span word="get">get</span> <span word="better">better</span> <span word="access">access</span> <span word="to">to</span> <span word="education">education</span> <span word="and">and</span> <span word="contraception">contraception</span>, <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="has">has</span> <span word="found">found</span>.</p><p>一项新研究发现，随着女性有更多机会接受教育和采取避孕措施，世界人口可能会在2064年达到97亿的峰值，然后会在本世纪末降到约88亿。</p>
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