By 2050, just half of all countries or areas are expected to have fewer than 5 million urban dwellers and to account for barely 2 per cent of the world urban population.
目前,世界城市人口以每周130多万人的速度增长。
The world' s urban population is currently growing by more than 1.3 million people each week.
自从1950年代以来,世界城市人口已经从7.46亿增加到39亿。
Since 1950, the world's urban population has grown from 746 million to 3.9 billion.
至40%的世界城市人口与沿海海洋的污染直接有关。
Between 35 to 40 per cent of the world' s urban population contribute directly to coastal marine pollution.
L998年世界城市人口平均所占比重为47%。
In 1998 the average level of urbanization in the world was 47 percent.
年,世界城市人口达到29亿,预计到2030年增长到50亿(表3)。
The world' s urban population reached 2.9 billion persons in 2000 and is expected to rise to 5 billion persons by 2030(table 3).
他注意到,根据人居署的研究,世界城市人口将很快超过农村人口。
He noted that, according to UN-Habitat studies, the world' s urban population would soon exceed the rural population..
年订正版确认,世界城市人口的增长速度高于世界总人口的增长。
The 2005 Revision confirms that the world' s urban population is growing faster than the total population of the world..
年、2005年和2025年不同类别规模城市占世界城市人口增长份额.
Share of world urban population growth accounted for by cities of different class sizes, 1975-2005 and 2005-2025.
根据报告,到本世纪中叶,世界城市人口有可能达到2002年世界人口的总数。
By mid-century the world urban population will likely be the same size as the world's total population in 2004.
到本世纪中期,世界城市人口将有可能达到2004年世界总人口的水平。
By mid-century the world urban population will likely be the same size as the world's total population in 2004.
世界城市人口增长迅速,预计到2030年,将从目前的32亿增加到约50亿。
The world' s urban population is increasing rapidly, and is expected to increase from today' s 3.2 billion persons to about 5 billion in 2030.
全世界有近10亿人生活在贫民窟境况下,这占到世界城市人口的四分之一。
Close to 1 billion people in the world live in slum conditions, representing about one quarter of the world's urban population.
同时,世界城市人口中的一半(50%)居住在亚太城市,因而这些城市的人口密度很高。
At the same time, half(50 per cent) the world' s urban population now lives in Asia-Pacific cities, giving those cities a high population density.
年至2011年间,世界城市人口以2.6%的年平均增长率增长,增加了近四倍。
Between 1950 and 2011, the world urban population grew at an average rate of 2.6 per cent per year and increased nearly fivefold.
相比之下,2011至2030年间,世界城市人口预计将以1.7%的年平均增长率增长。410.
In contrast, from 2011 to 2030, the world urban population is projected to grow at an average annual rate of 1.7 per cent.410.
据联合国说,2007年,世界城市人口将超过农村人口,这在人类历史上还是第一次。
According to the United Nations, the world' s urban population will exceed the rural population in 2007 for the first time in human history.
到2030年,93%的世界城市人口将生活在发展中国家,其中80%生活在非洲和亚洲。
By 2030, 93 per cent of the world' s urban population will live in the developing world, 80 per cent in Africa and Asia alone.
世界城市人口从1994年的23亿增加到2014年的39亿,预计到2050年将增加到63亿。
The world' s urban population increased from 2.3 billion in 1994 to 3.9 billion in 2014 and is projected to grow to 6.3 billion by 2050.
年以来,世界城市人口增长了10.9亿,而无法使用改良饮用水源的人口也从1.02亿增加到了1.4亿。
Since 1990, the world' s urban population has risen by 1.09 billion, while the urban population without improved drinking water sources has increased from 102 million to 140 million.
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