00  

Both parents born in UK

01  

One born in UK, other in Irish Republic

02  

One born in UK, other in New Commonwealth

03  

One born in UK, other in Old Commonwealth

04  

One born in UK, other either not stated or born anywhere except UK, Irish Republic, New Commonwealth or Old Commonwealth

05  

Both parents born in Irish Republic

06  

One born in Irish Republic, other in New Commonwealth

07  

One born in Irish Republic, other in Old Commonwealth

08  

One born in Irish Republic, other either not stated or born anywhere except UK, Irish Republic, New Commonwealth or Old Commonwealth

09  

Both parents born in New Commonwealth

10  

One born in New Commonwealth, other in Old Commonwealth

11  

One born in New Commonwealth, other either not stated or born anywhere except UK, Irish Republic, New Commonwealth or Old Commonwealth

12  

Both parents born in Old Commonwealth

13  

One born in Old Commonwealth, other either not stated or born anywhere except UK, Irish Republic, New Commonwealth or Old Commonwealth

14  

Neither British Isles nor Commonwealth

15  

One not stated, other not stated or born anywhere except UK, Irish Republic, New Commonwealth or Old Commonwealth