| Country: | Iceland |
| Title: | social Security number |
| Description: | All persons resident in Iceland are registered in the National Registry of Iceland and must have an ID number of ten digits. It can be said that it is the key to society. |
| Link: | https://www.island.is/thjonusta/innflytjendur/fyrstu-dagarnir/kennitala/ |
| Category: | Government Services :: Identification Documents |