As per early rumors YouTube officially announced paid subscription channels, users have to paid some money to watch videos from paid channels. The paid YouTube channels now available for small group of partners that will offer paid channels on YouTube with subscription fees starting at $0.99 per month.
Every YouTube paid channel offers 14-day free trial, that allows users to watch videos free for 14 days. After you have to pay minimum subscription fee to continue your watching on the specific paid channel. Currently there are 54 paid channels available on YouTube you can check complete list here.
How to create paid Channels:
If you are a YouTube video creator and want to create paid YouTube channels for your videos? Fill out this sign up form here
Fill out the form with valid details and submit to YouTube paid channels team, once your request has been accepted they will inform to you via Email to customize your channel.
[via Youtube blog]