We all know that online videos are increasing their reach and penetration very fast and only predicted to grow furthermore at an amazing pace and now there are also some exciting official numbers to back it up from a reliable online research firm.

In a just recently posted report, eMarketer is reporting that the total number of U.S. online video viewers in 2011 has slightly passed the half line of the total U.S. population! Additionally, the report is indicating that already a considerable amount of people have been watched online videos through their mobile devices in 2011.

Total Online Video Viewers

In 2011, 158.1 million Americans have watched online videos on the web, representing 50.5% of the total U.S. population and 68.2% of the total U.S. internet users population! eMarketer also forecasts that by 2015 more than 60% of the total U.S. population and more than three quarters of U.S. internet users will view online videos.

The year by year online viewers growing rate will gradually decrease, however, it is pretty natural as the penetration rate is gradually increasing:

• 2010- 145.6 million (46.9% reach) online video viewers, +11.3% yearly change.
• 2011- 158.1 million (50.5% reach) online video viewers, +8.6% yearly change.
• 2012- 169.3 million (53.5% reach) online video viewers, +7.1% yearly change.
• 2013- 178.7 million (56% reach) online video viewers, +5.6% yearly change.
• 2014- 187.6 million (58.2% reach) online video viewers, +5% yearly change.
• 2015- 195.5 million (60.1% reach) online video viewers, +4.2% yearly change.

Mobile Online Video Viewers

In 2011, 45.1 million Americans have watched online videos through their mobile devices, more than 14% of the total U.S. population and more than 55% increase compared to last year! eMarketer also predicts that by 2015 about quarter of the total U.S. population will watch online videos through their mobile device (yearly).

The yearly growth rate of mobile online video viewers is advancing in an amazing double digits percentages pace. By 2015, 40% of all online video viewers will do it through their mobile devices.

• 2010- 29 million (9.3% reach) mobile online video viewers
• 2011- 45.1 million (14.4% reach) mobile online video viewers, +55% yearly change.
• 2012- 54.6 million (17.3% reach) mobile online video viewers, +21% yearly change.
• 2013- 63 million (19.7% reach) mobile online video viewers, +15.4% yearly change.
• 2014- 69.3 million (21.5% reach) mobile online video viewers, +10% yearly change.
• 2015- 78.1 million (24% reach) mobile online video viewers, +12.7% yearly change.