I just spoke to someone at YouTube about this. This is a display glitch that can happen randomly. There are way too many tiny problems on this site... 
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This happens to you too?
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We constantly validate views to make sure they're real, accurate & only show the count our systems believes to be valid. Also, as different pages across YouTube are updated at different intervals, you may see varying view counts for a video at the same time. Hope this clarifies.
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Thanks for the response! The watch page seems to be catching up to the analytics view count now, thankfully!
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I think youtube said it's normal, it's like that for every upload, and it just take time for the views to catch up.
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Time to rewindpic.twitter.com/EZXrAs06Lb
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That's normal. Views aren't updated in real time.
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It says 18k and 18 558 for me (adroid app)
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