>>>I looked at the link and this line:
>>>
>>> The nonlabour force includes those who are not looking for work,
>>>
>>>just supports what I said. If you have given up, stopped looking for work, and gone on the dole, you are no longer considered unemployed.
>
>But not employed either. Sort of like promoted into a .null.
>
>>But my question was : WHEN did that become the criteria......
>
>So was mine.
>
>Also, when did criteria become pluralia tantum? http://en.wikipedia.org/wiki/Criteria still considers it a regular plural of criterion.

Ah, that happened quite recently :-}