India is one of the most populated countries in the world, next only to China.

印度是世界上人口众多的国家之一，仅次与中国。

youdao

I traveled between two capital cities of most populated countries in the world. Also it was my first trip abroad also first ever journey in flight.

这是我初次出国，也是初次搭乘飞机，竟然就得以旅行于世界上人口最多的两个国家的首都，真是一个梦幻般的开始。

youdao

Individual maps of countries tell the same story, with London, Sydney, Paris and Dublin all bulging out as the most populated areas.

单张的国家地图表明了同样的情况，伦敦、悉尼、巴黎、都柏林都因为是人口最多的地区而肿胀不堪。

youdao

Now, Kenya is one of the most densely populated countries in Africa with a relatively high population growth rate, and that makes for trouble in Kenya compared to Tanzania.

NPR: Tribalism and Stability in Kenya

In 1960 the republic's population was down to around 2.8m, the lowest in two centuries and a pale shadow of the 8m (for the whole island) in 1840, when this was one of the most densely populated countries in Europe.

ECONOMIST: The luck of the Irish

Many variables explain this, but the most important is that farming in these heavily populated countries (unlike that in America) emits huge amounts of ammonia.

ECONOMIST: Planes and pollution