We all know that the first six digits of your ID number is your YY/MM/DD – but did you know it can also indicate your gender?
So what do the rest of the digits indicate?
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Here’s What Your South African ID Number Means
A Simple Formula? YYMMDDSSSSCAZ
Your South African ID number is made up of 13 digits, each significant to a specific part of your identity.
1. Birth date
As mentioned above, the first six digits indicate your year of birth (minus the ’19’ or ’20’) for example; 14 August 1989 would be 890814.
2. Gender indicators
The next four digits (SSSS) are the gender indicators;
- Females are assigned numbers between 0000-4999
- Males are assigned numbers between 5000 – 9999
3. Citizenship
The next single digit (C) indicates your citizenship
- SA citizen – 0
- Permanent resident – 1
4. Race
The next digit (A) was used up until the late 1980s to indicate a person’s race. This has since been eradicated and old ID numbers have been reissued to remove this.
5. Checksum Digit
The last digit (Z) is a ‘checksum digit’ or error detection code which is used to check if the rest of the digits for are accurate.
See below for a more simplified version of how a South African number is determined.
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