IndonesiaNational ID Number
Also known as: ID Number · NIK · Nomor Induk Kependudukan
Specification
Format
DDMMYYPPPPSSSS
- Other characters are positional codes or literal separators — see the references below.
- Length
- 16 characters
- Checksum
- No
Only the format is checked — this number has no check digit.
- Embedded data
- Yes
A valid number encodes details such as birth date, gender, or region. The validator extracts them locally in your browser.
Ready to check a number?
Validate a Indonesia National ID Number now — it runs in your browser and the number never leaves your device.
Try it in the validatorValidation rules for Indonesia come from the open-source idnumbers library. Report a format issue on GitHub