Is there an official surname among the hundreds of surnames? What's the ranking? Where did it originate? How many people in China are surnamed Guan?

The official surname is the 274th surname in China, with a large population, accounting for about .2% of the Han population in China.

official surnames are widely distributed in China, especially in Fujian, Guangdong, Hunan and Sichuan provinces. This surname, which was derived from the north, prospered in the south in later generations.