0
Kaifeng's population is 4,676,159.
The area of Kaifeng is 6,247 square kilometers.
No. There are/were a relatively few Jews in places such as Kaifeng, but the vast majority of the Chinese people don't have Jewish ancestry.
Roman Catholic Archdiocese of Kaifeng was created in 1916.
The population of Roman Catholic Archdiocese of Kaifeng is 4,500,000.