How many surnames are there in the Hundred Surnames

568, including 444 single surnames and 124 compound surnames.

The Hundred Surnames is a book about Chinese surnames, written in the early Northern Song Dynasty. The original collection of surnames was 411, later added to 504, of which 444 were single surnames and 60 were compound surnames. The Hundred Surnames, the Three Character Classic and the Thousand Character Classic are known as the "Three Hundred and Thousand", which were the introductory reading materials for young children in ancient China. "Zhao, Qian, Sun and Li became the first four surnames of the Hundred Family Names because the Hundred Family Names were formed in the Wuyue-Qiantang area of the Song Dynasty, so Zhao, the emperor of the Song Dynasty, Qian, the king of Wuyue, Sun and Li, the king of Wuyue, became the first four surnames of the Hundred Family Names.

Expanded information:

China was the first country in the world to use a family name, and the family name was established as a hereditary name about 5000 years ago. years ago, surnames were designated as hereditary and passed down the paternal line. Over the past thousands of years, the distribution of Chinese surnames has been characterized by a striking concentration of the population among a few surnames, creating a distinction between large, common, rare and uncommon surnames.

References:

Baidu Encyclopedia - The Hundred Surnames