YouTube is not an easy way to make money. To make money on YouTube, you have to consistently upload high quality content to you channel in order to build up a large fanbase. YouTube will acknowledge how many subscibers you actually have, how many views your're getting and position your videos higher in the search results. It will only be at this point that you will be able to earn any type of money worth speaking about.
Making money on YouTube really only comes back down to one thing and that is Advertising ! If you're on really big channels you will be able to move on more of a crowd funding, you'll be able to have access to sponserships options, however, 95% of YouTuber's monthly paycheck come from advertisers who want to promote their content online.
There are two main types of ads; auction display ads and in-stream ads. Auctin display ads enables users to click on or exit ads and promotions which cover the bottom of the screen whilst watching any YouTube content. In-stream ads play before a YouTube video play before a video generally and are often around 30 seconds long. Most of the time, you can skip these ads after 5 seconds.
If you are considering creating your own YouTube channel, there is one important thing every YouTuber needs to know and that is that you do not get paid every single time someone watches one of your videos. You will only gets paid when a viewer interacts with an ad that may or may not even appear!
So, all in all, you will need to be getting a lot of views in order to generate a lot of revenue. If you wish to see specific figures of how much YouTubers are earning, the website 'Social Blade' will give you estimated earnings, view totals, subscriber numbers and historical graphs for any YouTuber you search for.