How many people are surnamed Sima now?

According to the sixth census of China, the number of people surnamed Sima is 28,000, accounting for 0.0 1% of the national population. Sima's population ranks 549th.

By 2023, Sima is still the most common compound surname, widely distributed in Luoyang, yanshi city and wen county, Hancheng County, Shanxi Province, Sushui County, susong county, Xiangtan City, Xiangxiang City and Xiangyin City, Hunan Province, Lanling County, Shandong Province and Jintan City, Jiangsu Province.