This report contains 1993 estiiiates of world population by country and region from 1950 to 1990 and projections to 2050 The projections show that world population will expand from 5.3 billion in 1990 to 6.2 billion in the year 2000 and to about 10.7 billion by the year 2050. The aggregate...
World population ageing: 1950-2050. 来自 ERIC 喜欢 0 阅读量: 1139 作者: UNP Division 摘要: The Population Division of the United Nations has a long tradition of studying population ageing including estimating and projecting older populations and examining the determinants and consequences of ...
题目 (A) 6. Between 1950 and 1990, the world population doubled to 5.3Nearly eighty of these people live in developing or poorer nations. A. billion; per cent B. billion; percentage C. billions; percents D. billions; per cent 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
http://www.census.gov/population/international/data/idb/worldpopgraph.php. Page consultee le 15 avril 2014.United States Census Bureau 2010, International data base: world population:1950-2050, viewed 27 March 2016, United States Census Bureau, International Programs (2016) International data base...
YearGlobal Population SizeMedian Age 1950 2.6 billion 23.6 years 2018 7.6 billion 30.0 years 2050p 9.7 billion 36.1 years 2075p 10.7 billion 39.0 years 2100p 11.2 billion 41.6 years Global median age is projected to surpass 40 years by the end of the century, and it will be considerably hig...
a1950 年,这个数字增长到29%,到了2000 年,世界上几乎一半的人口都迁入城市。 In 1950, this numeral grew to 29%, to in 2000, in the world a half population all moved into nearly the city.[translate]
UN (2002), World Population Aging 1950-2050, Sales No. E. 02. XIII. 3, Department of Economic and Social Affairs, Population Division, New York: United Nations Publications.UN Population Division, DESA., 2002. World ...
Finally, whether these predictions come true or not will depend on how quickly birth rates fall as the country develops. For example, India’s fertility rate fell from6.2in 1950, to2.0in 2021 (births per woman). Related Topics:chinaindiaunited statespopulation growthpopulationnigeriafertility rates...
Between 1950 and 1990 the world population doubled to 5. 3 . Nearly eighty of these people live in developing or poorer nations. A. billion;percent B. billion;percentage C. billions;percents D. billions;percent 3)11. Between 1950 and 1990, the world population doubled to 5. 3.Nearly...
相关知识点: 试题来源: 解析 45%【答案】45%【核心短语/词汇】developing countries发展中国家【翻译】1950年,世界上百分之多少的人口住在发展中国家?【解析】根据课文内容,1950年,世界上百分之45的人口住在发展中国家。所以答案为45%。 反馈 收藏