联合国:2100年全球人口将达到109亿
<p><span word="The">The</span> <span word="world">world</span>'<span word="s">s</span> <span word="population">population</span> <span word="could">could</span> <span word="swell">swell</span> <span word="to">to</span> 10.9 <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="a">a</span> <span word="new">new</span> <span word="United">United</span> <span word="Nations">Nations</span> <span word="analysis">analysis</span> <span word="found">found</span>, <span word="raising">raising</span> <span word="concerns">concerns</span> <span word="that">that</span> <span word="adding">adding</span> <span word="more">more</span> <span word="than">than</span> 3 <span word="billion">billion</span> <span word="people">people</span> <span word="to">to</span> <span word="the">the</span> <span word="planet">planet</span> <span word="could">could</span> <span word="further">further</span> <span word="deplete">deplete</span> <span word="natural">natural</span> <span word="resources">resources</span> <span word="and">and</span> <span word="accelerate">accelerate</span> <span word="global">global</span> <span word="warming">warming</span>.</p><p>联合国最新分析发现，到本世纪末，世界人口可能会增至109亿。人们担心，地球上增加30多亿人口可能会进一步耗尽自然资源，加速全球变暖。</p><p><span word="The">The</span> <span word="increase">increase</span>, <span word="up">up</span> <span word="from">from</span> <span word="the">the</span> <span word="current">current</span> <span word="count">count</span> <span word="of">of</span> 7.7 <span word="billion">billion</span> <span word="people">people</span>, <span word="is">is</span> <span word="expected">expected</span> <span word="despite">despite</span> <span word="a">a</span> <span word="continued">continued</span> <span word="decline">decline</span> <span word="in">in</span> <span word="the">the</span> <span word="global">global</span> <span word="fertility">fertility</span> <span word="rate">rate</span>, <span word="which">which</span> <span word="has">has</span> <span word="fallen">fallen</span> <span word="from">from</span> 3.2 <span word="births">births</span> <span word="per">per</span> <span word="woman">woman</span> <span word="in">in</span> 1990 <span word="to">to</span> 2.5 <span word="births">births</span> <span word="per">per</span> <span word="woman">woman</span> <span word="this">this</span> <span word="year">year</span>. <span word="Experts">Experts</span> <span word="say">say</span> <span word="the">the</span> <span word="global">global</span> <span word="fertility">fertility</span> <span word="rate">rate</span> <span word="will">will</span> <span word="continue">continue</span> <span word="to">to</span> <span word="decline">decline</span>, <span word="but">but</span> <span word="the">the</span> <span word="world">world</span>’<span word="s">s</span> <span word="overall">overall</span> <span word="population">population</span> <span word="will">will</span> <span word="still">still</span> <span word="rise">rise</span>, <span word="hitting">hitting</span> 9.7 <span word="billion">billion</span> <span word="by">by</span> 2050.</p><p>尽管全球生育率持续下降，但预计届时这一数字仍将远超目前的77亿人口。全球生育率从1990年的3.2下降到今年的2.5。专家表示，全球生育率将继续下降，但世界总人口仍将增长，到2050年达到97亿。</p><p><span word="The">The</span> <span word="new">new</span> <span word="report">report</span> <span word="predicts">predicts</span> <span word="slower">slower</span> <span word="population">population</span> <span word="growth">growth</span> <span word="than">than</span> <span word="the">the</span> <span word="UN">UN</span>'<span word="s">s</span> <span word="last">last</span> <span word="assessment">assessment</span>, <span word="released">released</span> <span word="in">in</span> 2017. <span word="That">That</span> <span word="estimate">estimate</span> <span word="projected">projected</span> <span word="that">that</span> <span word="the">the</span> <span word="world">world</span> <span word="population">population</span> <span word="would">would</span> <span word="reach">reach</span> <span word="a">a</span> <span word="staggering">staggering</span> 11.2 <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="The">The</span> <span word="revised">revised</span> <span word="figures">figures</span> <span word="reflect">reflect</span> <span word="the">the</span> <span word="downward">downward</span> <span word="trend">trend</span> <span word="in">in</span> <span word="the">the</span> <span word="globalfertility">globalfertility</span> <span word="rate">rate</span>, <span word="which">which</span> <span word="means">means</span> <span word="the">the</span> <span word="populations">populations</span> <span word="of">of</span> <span word="more">more</span> <span word="countries">countries</span> <span word="are">are</span> <span word="shrinking">shrinking</span>.</p><p>这份新报告预测的全球人口增长速度低于联合国2017年发布的上一次评估。此前的评估预计，到本世纪末世界人口将达到惊人的112亿。修正后的数据反映出全球生育率下降的趋势，这意味着更多国家的人口正在减少。</p>
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