Web Browser Share Data

Revised on June 1, 2009

Beginning is late 2007 Internet Explorer began to lose worldwide share to other web browsers. Over the last two years Internet Explorer has lost 16.2 percent of share. The loses have been increasing, with Internet Explorer losing an average of .63 percentage points of share over the last year up from .57 percentage points in the previous year. Over the last year Firefox has been gaining an average of .29 percentage points of share and Safari has been gaining an average of .18 percentage points. Internet Explorer's loses have occurred to due decreased use of Internet Explorer 6, without a corresponding increase in the use of Internet Explorer 7 and 8. Since it release in March, Internet Explorer 8 share has rapidly increased with a corresponding decrease in Internet Explorer 7 share.

Worldwide Web Browser Share

Month	Internet Explorer	Firefox	Safari	Opera	Chrome	Other
Source: Net Applications
May (2007)	78.91	14.61	4.84	0.43	0	1.21
June	79.12	14.63	4.51	0.53	0	1.21
July	79.26	14.45	4.58	0.52	0	1.19
August	79	14.65	4.71	0.51	0	1.13
September	78.27	14.99	5.11	0.51	0	1.12
October	78.36	14.97	5.09	0.58	0	1
November	77.35	16.01	5.14	0.65	0	0.85
December	76.04	16.8	5.59	0.64	0	0.93
January (2008)	75.47	16.98	5.82	0.62	0	1.11
February	74.88	17.27	5.7	0.69	0	1.46
March	74.8	17.83	5.82	0.69	0	0.86
April	74.83	17.76	5.81	0.69	0	0.91
May	73.75	18.41	6.25	0.71	0	0.88
June	73.01	19.03	6.31	0.73	0	0.92
July	73.02	19.22	6.14	0.69	0	0.93
August	72.15	19.73	6.37	0.74	0	1.01
September	71.52	19.46	6.65	0.69	0.78	0.9
October	71.27	19.97	6.57	0.75	0.74	0.7
November	69.77	20.78	7.13	0.71	0.83	0.78
December	68.15	21.34	7.93	0.71	1.04	0.83
January (2009)	67.55	21.53	8.29	0.70	1.12	0.81
February	67.51	21.73	8.00	0.71	1.15	0.90
March	66.82	22.05	8.23	0.70	1.23	0.97
April	66.10	22.48	8.21	0.68	1.42	1.11
May	65.50	22.51	8.43	0.72	1.80	1.04

Worldwide Share for Internet Explorer 6, 7, and 8

Month	Internet Explorer 6	Internet Explorer 7	Internet Explorer 8
Source: Net Applications
May	46.98	31.4	0
June	46.47	32.2	0
July	45.51	33.35	0
August	44.86	33.76	0
September	43.07	34.86	0
October	43.44	34.6	0
November	40.24	36.84	0
December	35.18	40.61	0
January (2008)	32.3	42.93	0
February	30.63	44.03	0
March	28.94	45.65	0.02
April	28.71	45.89	0.02
May	27.52	46.03	0.03
June	26.38	46.45	0.03
July	25.74	47.1	0.03
August	25.17	46.79	0.05
September	24.67	46.35	0.37
October	23.47	47.08	0.58
November	21.53	47.39	0.73
December	20.46	46.77	0.82
January (2009)	19.21	47.32	0.92
February	18.94	47.30	1.17
March	18.36	46.54	1.83
April	17.52	44.51	3.99
May	16.94	40.83	7.64