He says it is increasingly important to do this analysis in connection with urbanization because more than half of the world population lives in urban areas.

VOA: standard.2009.03.23

One answer, and it's the one that is most widely believed among Greek scholars, is that the growth of population that we have mentioned in connection with the rise of the polis is still working once the polis comes into form.

原因之一是,这个原因是被广大古希腊学者们所接受的,那就是,人口的增长与城邦的数量,在城邦兴起的阶段还是基本一致的

耶鲁公开课 - 古希腊历史简介课程节选

In the summer of 2002 the team lead a DTI-sponsored mission to South Korea to see why 60% of the population there has a broadband connection at home.

BBC: Internet access hits the wall

In a time when less than 1 percent of the population serves in a volunteer military, most Americans have no personal connection to service members or veterans.

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