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The census data shows that the population as percentage share of the world has a long-term average of 26%, with 6% standard deviation. The minimum could be as low as 16% while the maximum as high as 33%. In the late 19th century and the early 20th century, the percentage share has been trending down.
China is the second most populous country in Asia as well as the second most populous country in the world, with a population exceeding 1.4 billion.. China has an enormous population with a relatively small youth component, partially a result of China's one-child policy that was implemented from 1979 until 2015.
Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.
For years, the census data in China has recorded a significant imbalance in the sex ratio toward the male population, meaning there are fewer women than men. This phenomenon is sometimes referred to as the missing women or missing girls of China. [ 1] China's official census report from 2000 shows that there were 117 boys for every 100 girls.
The national 1 July, mid-year population estimates (usually based on past national censuses) supplied in these tables are given in thousands. The retrospective figures use the present-day names and world political division: for example, the table gives data for each of the 15 republics of the former Soviet Union, as if they had already been independent in 1950.
This is a list of countries by population in 1900, with colonial possessions being counted towards the ruling country's total (such as Poland counting towards Russia and Cuba counting as part of the United States).
Currently, 757 million humans live in the 101 largest cities; [38] these cities are home to 11% of the world's population. [38] By the end of the century, the world population is projected to grow, with estimates ranging from 6.9 billion to 13.1 billion; [38] the percentage of people living in the 101 largest cities is estimated to be 15% to 23 ...
HONG KONG — China said Tuesday that its population declined last year for the first time in six decades, a historic shift with profound implications for the world’s second-largest economy ...