ChinaResident Identity Number
Also known as居民身份证 · Jūmín Shēnfènzhèng
- ISO codes
- CHN / CN
- Region
- Asia
- Length
- 18 characters
- Checksum
- Yes
Character map
Each cell is one character of the sample test value; separators are shown as-is.
Sample test value
071003161710048368
This value was randomly generated to pass this country's validation rules. It is not a real ID and does not belong to any person.
(01)Country reference
Specification
- Format
- #################X
- # — any digit
- X — any letter or digit
Documented field layout:
AAAAAAYYYYMMDDSSSC- Length
18 characters
- Checksum
- Yes
Check digits are recomputed and verified.
- Embedded data
- Yes
A valid number encodes details such as birth date, gender, or region. The validator extracts them locally in your browser.
Check a China number now.
Validate a China Resident Identity Number now — it runs in your browser and the number never leaves your device.
Validation rules for China come from the open-source idnumbers library. Report a format issue on GitHub