youtube statistics

How can I see the average audience retention and watch time for any youtube channel/video?

The total number of logged-in users who use YouTube per month – 1,900,000,000 YouTube gets over 30 million visitors per day Female users are 38% and male users are 62% in an average month, 8 out of 10 18-49 year-olds watch YouTube 9% of U.S small businesses use YouTube 300 hours of video are...

Hi, Is there a way to check the average age of the viewers of a certain video that you don't own!!?

i want to know how often people use youtube filters like > 20 min where i get these statistics