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Incandescent light bulbs are officially banned in the U.S.
(www.digitaljournal.com)
This is a most excellent place for technology news and articles.
They said 20-30% of bulbs sold, not of bulbs currently installed. There's a lot of people who are replacing incandescent with incandescent where an LED would work just fine. I highly doubt oven bulbs and such are that significant a portion of household bulbs sold. (I also don't know where this data is from, so feel free to correct me)