world's fourth largest country (after Russia, Canada, and US); Mount Everest on the border with Nepal is the world's tallest peak

People ::China

Population:

1,338,612,968 (July 2009 est.) country comparison to the world: 1

Age structure:

0-14 years: 19.8% (male 140,877,745/female 124,290,090)

15-64 years: 72.1% (male 495,724,889/female 469,182,087)

65 years and over: 8.1% (male 51,774,115/female 56,764,042) (2009 est.)

Median age:

total: 34.1 years