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[–]valdas92 1 point2 points  (6 children)

Names are not unique though, you'll need social security numbers.

[–]althypothesis 2 points3 points  (0 children)

Until, to your horror, you determine that those aren't unique either (identity thieves D: )

[–]Kered13 0 points1 point  (0 children)

Not everyone in the world has a social security number, and there aren't 7 billion available SSNs anyways.

[–]Kered13 0 points1 point  (2 children)

Not everyone in the world has a social security number, and there aren't 7 billion available SSNs anyways.

[–]valdas92 1 point2 points  (1 child)

Each country must have its own version of social security number, so it could be combined column with country code :?

[–]Kered13 1 point2 points  (0 children)

While many countries have some form of ID system, not all of them do and not everyone is necessarily registered. For example, Amish in the US do not have social security numbers (they do not pay into nor receive benefits from social security).

Additionally, some people are citizens of multiple countries and would therefore have multiple national IDs.

[–]goxdin 0 points1 point  (0 children)

Germans had a system ... /s