The 2010 estimate was 1,338,612,968. It would be impossible to get an accurate figure.
The population of China was 1.14333 billion in 1990. (Unofficial statistics, for your reference only)
== == The population of China is 1.3 Billion.
CHINA
China has just over 1.3 billion people (1,330,044,605 as of mid-2008). That is the most current estimate on their population today.
The population of China Post is 860,200.
The population of Bank of China is 2,010.
Bank of China's population is 389,827.
The population of China Steel is 9,071.
China Steel's population is 2,006.
China Sunergy's population is 1,607.
China Minmetals's population is 146,000.