Usage share of web browsers AT Internet Institute (Europe, 2007-07 to 2010–06) Europe usage share data from AT Internet Institute

| Date_ | Internet_Explorer | Firefox | Opera | Safari | Source_ |
|---|---|---|---|---|---|
| June 2010 | 53.8% | 30.6% | 2.4% | 6.8% | 2010-6 |
| March 2010 | 57.1% | 29.6% | 2.2% | 5.2% | 2010-3 |
| September 2009 | 62.0% | 28.4% | 2.2% | 4.3% | 2009–11 |
| April 2009 | 63.6% | 28.4% | 2.2% | 3.4% | 2009-5 |
| March 2009 | 64.6% | 27.8% | 2.2% | 3.3% | 2009-5 |
| February 2009 | 65.6% | 27.4% | 2.1% | 3.0% | 2009-5 |
| January 2009 | 58.1% | 32.5% | 4.1% | 3.0% | 2009-1 |
| December 2008 | 58.5% | 32.3% | 4.5% | 2.7% | 2009-1 |
| November 2008 | 59.5% | 31.1% | 5.1% | 2.5% | 2008-12-22 |
| October 2008 | 59.2% | 31.1% | 5.4% | 2.4% | 2008-12-22 |
| September 2008 | 60.2% | 31.2% | 4.8% | 2.4% | 2008-10-10 |
| August 2008 | 59.4% | 33.0% | 4.5% | 2.6% | 2008-10-10 |
| July 2008 | 60.4% | 32.2% | 4.5% | 2.4% | 2008-10-10 |
| June 2008 | 60.5% | 31.4% | 5.1% | 2.5% | 2008-10-10 |