As per the new eligibility requirements, a channel would need 4k watch hours (240,000 mins) and 1k subscribers in the past 12 months to be monetized. Once you meet the threshold, the channel will be reviewed for YPP. More info here: https://goo.gl/5joiih . Hope this helps.
Thanks for the info. We'd like to look more closely at your channel before making a decision. Creator Studio doesn't show this, so this may be confusing & looks like you haven't been reviewed. Hopefully you don't have to wait much longer for an update. Appreciate your patience.