YouTube Research

Categories

Music is the most popular category on YouTube with 31% of all analyzed videos, followed by Entertainment (15%) and People & Blogs (11%).

Demographics

By far, 20-to-35-year-old bloggers are the most enthusiastic about embedding and linking to videos (57.3%). Teenage bloggers (13-19) and those in the 36-to-60-year demographic group embed and link to around 20% each. Those over 60 account for just 1.4%.
When looking at the top categories for each age group, we discovered that older bloggers have a higher interest in the News and Politics category. This category is the least favorite among younger bloggers with less than 5% of total links.




The most popular music videos on YouTube:

Top Music Videos

While Michael Jackson is very popular overall, most YouTube videos about Michael Jackson were home-made and did not attract high view count.

1. Pitbull - I Know You Want Me (Calle Ocho) (Available on ULTRA MIX 2 NOW!) OFFICIAL VIDEO
U.S. rapper Pitbull sings "I Know You Want Me" (Calle Ocho). (97.3 million)

2. MIley Cyrus - Party In The U.S.A. - Official Music Video (HD)
Teenager pop star Miley Cyrus sings "Party In The U.S.A." (77.9 million)

3. Miley Cyrus - The Climb - Official Music Video (HQ)
Miley Cyrus singing "The Climb" from the movie "Hannah Montana: The Movie" (73.1 million)