How many Chu people are there in the world?

Chu is a multi-ethnic and multi-source surname, ranking 223rd in the current surname list, with a population of about 443,000, accounting for 0.0027% of the total population of China. In Chinese mainland and Taiwan Province province, Chu did not enter the top 100. Chu was ranked 1 1 among the hundred surnames in the Song Dynasty. There are two versions about the origin of Chu surname. One is from Henan. During the Spring and Autumn Period, the son of Gong Gong of Song State was named "Chu Shi" by Gong Gong for his commendable virtue, which is equivalent to the present position of mayor, and later generations took it as their surname. Another way of saying about the origin of Chu surname is that Zuo Zhuan mentioned that there is a Chu Pavilion in the south of Luoyang; The Chu Canal is also recorded in the Book of the Later Han Dynasty, and the surname of Chu comes from the place name. But no matter which statement is correct, it is certain that the birthplace of Chu surname is in Henan. In addition, so far, Chu has not been found to be given a surname, and this is the written record of the surname. The origin of China people surnamed Chu is very simple. The most boastful thing about Chinese people surnamed Chu is their pure blood. Other most popular surnames, perhaps because the trees are tall and the shadows are long, are inevitably mixed with other people's lineages, or given surnames and pseudonyms, which increase the confusion of future generations and even can't be traced back to their real place. The descendants of Chu surname will not have this kind of trouble, because so far, there is no record of Chu surname being fraudulently used. Although Chu's surname is not much, it seems a bit thin, but at least it is enough to be complacent-people surnamed Chu are pure Han nationality. There is also something that Chinese people are proud of. Although there are not many people, there are many famous people in history, such as Chu Xiuzhi, one of the "Eighteen Bachelor" and Chu Suiliang, a famous minister in the Tang Dynasty, who are household names in China. Chu Suiliang was the physician of Emperor Taizong. He is knowledgeable, versatile, outspoken and daring to make suggestions, which is highly valued by the court. When Emperor Taizong died, he and Sun Chang took care of Wuji together. This generation of loyal ministers is also a great calligrapher, who has a high position in the history of calligraphy in China. His official script and regular script, 1300, have enjoyed a high reputation for more than 300 years. The birthplace of Chu surname is in Henan, therefore, Chu surname county looks at Henan county. In Luoyang City, Henan Province today).