To calculate the checksum, each digit in order is multiplied by a weight in the ordered set and summed together. The final character, C, is a checksum value over the first 17 digits. The sequential code is odd for males and even for females. RRRRRR is a standard code for the administrative division where the holder is born (county or a district of a city), YYYYMMDD is the birth date of the holder, and SSS is a sequential code for distinguishing people with identical birthdates and birthplaces. The ID number has 18 digits and is in the format RRRRRRYYYYMMDDSSSC, which is the sole and exclusive identification code for the holder (an old ID card only has 15 digits in the format RRRRRRYYMMDDIII). In the PRC, an ID card is mandatory for all citizens who are over 16 years old. What is Chinese Id Card Number or Resident Identity Card? If you want to generate chinese id card number, name, photo and other details info, finally generate Obverse and Reverse side image, here is an advanced chinese id card number generator and photo.
If you want to generate only chinese id card number by address, birthday or gender, here is an advanced chinese id card number generator.
If you want to validate chinese id card number, here is a chinese id card number validator.