There is the surname Liu in "Hundred Family Surnames". The surname Liu ranks 252nd among the "Hundred Family Surnames".

Introduction to the surname Liu:

The surname Liu, the earliest one with the surname Liu, originated from Liu Lei, a descendant of Yao, so Liu Lei is the ancestor of the surname Liu. Liu surnamed looks out over Pengcheng, Jiangsu Province.

As of 2013, the population was nearly 70 million, accounting for 5.34% of the national population, ranking fourth after Wang, Li, and Zhang. The Liu surname established the Western Han, Later Han, and Southern Han regimes.

Population division:

The areas with the highest population density per unit area of ??the Liu surname are in the Northeast, Bohai Bay, and southeastern Sichuan. The population of the Liu surname per square kilometer reaches more than 14 people in the center. The area can reach more than 25 people. The schematic diagram of the distribution density of the surname Liu shows that the area with the highest density (more than 14 people/square kilometer) only accounts for 14.7% of the land area, and the population of the Liu surname is about 27.18 million; the area with 10.5-14 people/square kilometer accounts for 10.5% of the land area. %, the population surnamed Liu is about 11.43 million; the area with 3.5-10.5 people/square kilometer accounts for 35.3% of the land area. The population surnamed Liu is approximately 22.73 million; the area with less than 3.5 people/square kilometer accounts for 39.5% of the land area, and the population surnamed Liu is approximately 3.22 million.

The surname Liu is widely distributed, but unevenly. The surname Liu is one of the most common surnames in the north and central plains. The schematic diagram of the distribution frequency of the Liu surname among the population shows that in most of Liaoning, Jilin, Heilongjiang, eastern Inner Mongolia, Hebei, northwest Shandong, and Kashgar in Xinjiang, the surname Liu generally accounts for more than 7% of the local population, and its coverage area accounts for the total land area. 12.1%; in a large number of north and south regions east of Qinghai and west of Zhejiang, the distribution frequency of Liu is 4.2%-7%, and its coverage area accounts for 38.6% of the total land area; in Zhejiang, southern Jiangsu, most of Fujian, and Taiwan , central Guangdong, southern Hainan, southwestern Yunnan, western Sichuan, eastern Qinghai, and western Xinjiang, the distribution frequency of Liu is 1.4%-4.2%, and its coverage area accounts for 21.5% of the total land area; in other areas, the distribution frequency of Liu is The frequency is less than 1.4%, and its coverage area accounts for 27.8% of the total land area.