I've noticed that there are some "superflous" categories...such as "List of supercentenarians by country" and "Lists of supercentenarians by nationality". If the category is basically the same thing with different wordings, please merge, but consider a redirect for the category that is merged.

I suggest we go with "nationality", as it sounds more formal than "country". We have the "United Nations", not the "United Countries".Ryoung122 (talk) 18:20, March 23, 2016 (UTC)

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