Contemporary dealer of the population has reached 5.52 million, 44 for the country name, accounts for about 0.46% of the population.Since the Ming dynasty 600 years dealer's population increased from 460000 to 5.52 million, 12 times.An average of nearly 93 million people of the Ming dynasty and the contemporary population by 1.2 billion, the population increased by 13 times.Dealer's population increases speed slightly lower than the increase of the population, nearly 1000 dealer population increase rate is a downward trend.In the national distribution mainly concentrates in guangdong, zhejiang, jiangsu provinces, about 35% of the dealer's population;Secondly distributed in sichuan, hubei, anhui, fujian, Taiwan, the five provinces and concentration by 32%.Lived in guangdong for dealer 13.7% of the population, for the dealer's first big province, account for 1% of the province's population.The country formed a high ratio of the southeast coastal areas dealer area.In nearly 600 years, dealer degree and direction of the population flow and the flow of the song, yuan, Ming period some differences, though there are returned to central China, north China, but the southeast migration is still the mainstream, but also in the west, and the northeast of immigrants.

Dealer of the highest population density per unit area in the southeast coast, the Yangtze river basin, northeast China, dealer population reached more than 1 person per square kilometer, in some areas is as high as 3 or more people.Secondly in guangdong, xiangqian trunk in central north, east yunnan, sichuan west, the southern most, yu shan gan ning green, the southeast of shandong province, eastern Inner Mongolia, hebei liao border region, per square kilometre dealer population is 0.5-1 person.Dealer distribution density diagram shows that the highest density of (more than one people/sq km) area 19.2% of the total land area, dealer population about 2.7 million;1-0.5 / square kilometers area 27.1% of the total land area, dealer population about 1.96 million;Less than 0.5 people per square km area 53.7% of the total land area, the dealer a population of about 860000.

Dealer distribution is very wide, but unevenly.Dealer in the crowd distribution frequency diagram shows that the dealer in southeast coastal area is one of the more common surname.Dealer in southern Taiwan, fujian, zhejiang, guangdong east, northeast of Inner Mongolia, generally reach the highest, the local population, at more than 0.9%, especially in southern Taiwan, some 3%, this part of the high proportion of area covers about 3.7% of the total area of the country.North east central guangdong, jiangxi, zhejiang, jiangsu, south anhui east southeast, southwest guangxi, hainan, yunnan, sichuan and shaanxi central border region, the hexi corridor, jilin, dealer frequency in 0.45%, 0.9%, the area covered by about 13% of the total area of the country.The other area, the dealer frequency is less than 0.45%, and its area covered by about 83.3% of the total area of the country, including frequency under 0.25% 50% of the total land area.