The Jia family is a typical multi-ethnic and multi-origin surname. It ranks 69th on the current surname list and belongs to the popular surname series with a population of about 4.553 million. Accounting for about 0.28 of the country's total population.
During the pre-Qin period, the Jia surname was active in Shanxi, Henan, Hebei, and Shandong.
During the Han Dynasty, due to frequent wars in the Central Plains, the Jia family traveled west to Shaanxi and Gansu and north to Hebei.
During the Jin and Southern and Northern Dynasties, people with the Jia surname were already common in North China, and one of them crossed the Yangtze River and entered Jiangsu, Zhejiang, Anhui, Jiangxi and other places.
During the Tang and Song Dynasties, people surnamed Jia immigrated to Sichuan and Fujian.
During the Song Dynasty, there were approximately 390,000 people with the surname Jia, accounting for approximately 0.51% of the country's population, ranking 40th.
The largest province with the surname Jia is Hebei, accounting for approximately 43% of the total population with the surname Jia in the country.
The distribution in the country is mainly concentrated in Hebei, Sichuan, and Henan. These three provinces account for about 67% of the total population of Jia surname, followed by Shandong, Zhejiang, Shaanxi, and Shanxi. The Jia surname in these four provinces There are 24 more surnames.
Hebei, Henan, Shandong and Sichuan are two areas where the Jia surname is populated.
During the Ming Dynasty, there were approximately 250,000 people with the surname Jia, accounting for approximately 0.27 of the country's population, ranking 88th.
In the 600 years of Song, Yuan and Ming dynasties, the net population growth rate of the country was 20, and the population growth of Jia was negative.
In the face of wars and massacres, the first group of victims should be those mainly in the north. Because Jia’s surname is a northern surname, they naturally suffered heavy losses.
Shanxi is the largest province with the Jia surname, accounting for approximately 33% of the total population with the Jia surname.
The distribution in the country is mainly concentrated in the three provinces of Shanxi, Shandong and Hebei. The Jia surname in these three provinces accounts for about 69% of the total population of the Jia surname, followed by Henan, Zhejiang and Shaanxi. The Jia surname in these three provinces is also Concentrated 29.
During the more than 600 years of the Song, Yuan and Ming dynasties, the general distribution pattern of the Jia surname changed, and its population mainly migrated from the north to the west and east.
A population gathering area with the Jia surname in North China has formed across the country.
In the 600 years since the Ming Dynasty, the population with the Jia surname has surged from 250,000 to 3.7 million, an increase of more than 14 times. The growth rate of the Jia population is higher than the growth rate of the national population.
In the 1,000 years since the Song Dynasty, the growth rate of the population with the Jia surname has been in a V-shape.
The distribution in the country is currently mainly concentrated in the three provinces of Hebei, Henan and Shanxi, accounting for about 45% of the total population with the surname Jia, followed by Shandong, Gansu, Heilongjiang, Sichuan and Shaanxi. Jia in these five provinces The surname is concentrated again by 25.
Hebei is home to 18% of the total population with the Jia surname, making it the largest province with the Jia surname.
The country has formed two regions with a high proportion of Jia surnames in the north, Henan, Hebei and Shanxi, and in the south, Sichuan.
During the 600 years, the degree and direction of population flow with the Jia surname were very different from those during the Song, Yuan and Ming Dynasties. The flow of people was a strong return migration from the east to central and northern China, and accelerated flow to the west.
The schematic diagram of the distribution frequency of the Jia surname among the population shows: in Hebei, Henan, Shanxi, Beijing and Tianjin, central Inner Mongolia, most of Shandong, the northwest corner of Jiangsu, northern Anhui, northern Hubei, most of Shaanxi, central and western Gansu and In the south, northern Ningxia, western Liaoning, and northern Heilongjiang, the proportion of the Jia surname in the local population is generally more than 0.57, and some reach more than 2. The area covered by the above areas accounts for about 23.2% of the total land area, and there are about 62 people with the Jia surname living there. .
In other areas east of Qinghai Lake, north of the Yangtze River, and northwest Xinjiang, the proportion of people with the Jia surname in the population ranges from 0.19 to 0.57, and its coverage area accounts for about the total land area Of 33, there are about 31 people named Jia living there.