Contemporary tang of the population has reached more than 780, for the 25 most popular across the country, accounts for about 0.62% of the population.600 years since the Ming dynasty tang population soared to more than 780 by 510000, increased by 15 times as much, tang population is growing faster than the population growth in the country.The rate at which the population in 1000 years since song dynasty tang is on the rise trend.In the national distribution mainly concentrated in hunan, sichuan province, about 35% of the tang population, second in anhui, chongqing, guangxi, jiangsu, guizhou, yunnan six provinces, and concentrated 34% of the population of tang.Hunan for tang 18% of the population, as the first big province of tang.The country formed a xiang-gui yunnan-guizhou each, Sue two large pieces of tang high ratio of area of anhui province.In nearly 600 years, tang degree and direction of migration and reflecting period had the very big difference, especially the flow direction from the east to the central China, north China's transfer of a property is greater than the north to the southeast, to the southwest and the south of immigration has become the mainstream in the mobile.

Tang distribution frequency diagram shows that in the crowd xiang-gui chongqing northern, eastern YunChuan, guangdong and jiangxi west, southwest of hubei province, tang occupied more than 1.14%, the proportion of the population in central region can reach more than 3%, the area of area accounts for only 14.4% of the total land area, living around 51% of the tang people.In western YunChuan, most most of hainan, guangdong, hubei, jiangxi, anhui Soviet eastern west north of Shanghai, zhejiang, fujian, shandong, henan south, weald in southern and eastern qinghai, Inner Mongolia, northeast and northwest corner of heilongjiang province, tang in the crowd proportion between 0.38% - 1.14%, its coverage area accounts for 23.7% of the total land area, living around 34% of the tang people.