更新日：2025/09/16
シェア計測：2025/08

Google Chrome

ver. リリース日 日本でのシェア 現行
4 2010/01/25 -
5 2010/05/25 -
6 2010/09/02 -
7 2010/10/21 -
8 2010/12/02 -
9 2011/02/04 -
10 2011/03/08 -
11 2011/04/27 -
12 2011/06/07 -
13 2011/08/02 -
14 2011/09/16 -
15 2011/09/16 -
16 2011/10/25 -
17 2011/12/13 -
18 2012/02/08 -
19 2012/03/28 -
20 2012/05/15 -
21 2012/06/26 -
22 2012/07/31 -
23 2012/09/25 -
24 2012/11/07 -
25 2013/01/11 -
26 2013/02/21 -
27 2013/03/28 -
28 2013/05/21 -
29 2013/07/18 -
30 2013/08/20 -
31 2013/11/12 -
32 2014/01/14 -
33 2014/02/21 -
34 2014/04/09 -
35 2014/05/20 -
36 2014/07/16 -
37 2014/08/26 -
38 2014/10/07 -
39 2014/11/18 0.015%
40 2015/01/21 0.015%
41 2015/03/05 0.02%
42 2015/04/19 0.02%
43 2015/05/20 0.015%
44 2015/07/22 0.015%
45 2015/09/02 0.015%
46 2015/10/14 0.015%
47 2015/12/02 0.02%
48 2016/01/20 0.02%
49 2016/03/03 0.039%
50 2016/04/14 0.015%
51 2016/05/25 0.015%
52 2016/07/21 0.02%
53 2016/08/31 0.02%
54 2016/10/12 0.015%
55 2016/12/01 0.015%
56 2017/01/25 0.015%
57 2017/03/09 0.015%
58 2017/04/19 0.02%
59 2017/06/06 0.015%
60 2017/07/25 0.02%
61 2017/09/05 -
62 2017/10/17 -
63 2017/12/06 -
64 2018/01/24 -
65 2018/03/06 0.01%
66 2018/04/17 -
67 2018/05/29 0.005%
68 2018/07/24 0.01%
69 2018/09/04 -
70 2018/10/16 0.005%
71 2018/12/05 -
72 2019/01/29 -
73 2019/03/12 -
74 2019/04/23 0.015%
75 2019/06/04 0.029%
76 2019/07/30 -
77 2019/09/10 0.005%
78 2019/10/22 -
79 2019/12/10 0.005%
80 2020/02/05 0.01%
81 2020/04/08 0.054%
83 2020/05/19 0.01%
84 2020/07/14 -
85 2020/08/25 0.01%
86 2020/10/06 0.015%
87 2020/11/17 0.01%
88 2021/01/19 0.005%
89 2021/03/01 0.015%
90 2021/04/13 0.01%
91 2021/05/26 0.01%
92 2021/07/20 0.044%
93 2021/08/31 0.01%
94 2021/09/22 -
95 2021/10/19 0.025%
96 2021/11/16 0.005%
97 2022/01/05 0.015%
98 2022/02/01 0.015%
99 2022/03/01 0.005%
100 2022/03/29 0.005%
101 2022/04/26 0.015%
102 2022/05/24 0.01%
103 2022/06/21 0.054%
104 2022/08/02 0.218%
105 2022/08/30 0.005%
106 2022/09/27 0.025%
107 2022/10/25 0.02%
108 2022/11/29 0.01%
109 2023/01/10 0.594%
110 2023/02/07 0.015%
111 2023/03/07 0.005%
112 2023/04/04 0.025%
113 2023/05/02 0.005%
114 2023/05/30 0.029%
115 2023/07/19 0.015%
116 2023/08/15 0.073%
117 2023/09/12 0.005%
118 2023/10/10 0.02%
119 2023/10/31 0.068%
120 2023/12/08 0.058%
121 2024/01/23 0.044%
122 2024/02/20 0.044%
123 2024/03/19 0.02%
124 2024/04/16 0.054%
125 2024/05/14 0.633%
126 2024/06/11 0.174%
127 2024/07/17 0.029%
128 2024/08/20 0.087%
129 2024/09/17 0.044%
130 2024/10/15 0.083%
131 2024/11/12 0.237%
132 2025/01/14 0.16%
133 2025/02/04 0.131%
134 2025/03/04 0.102%
135 2025/04/01 0.116%
136 2025/04/29 0.145%
137 2025/05/27 0.319%
138 2025/06/24 8.013%
139 2025/08/05 9.37%
140 2025/09/02 0.025% ★
141 - 0.039%
142 - -
143 - -

Mozilla Firefox

ver. リリース日 日本でのシェア 現行
2 2006/10/24 -
3 2008/06/17 -
3.5 2009/06/30 -
3.6 2010/01/21 -
4 2011/03/22 -
5 2011/06/21 -
6 2011/08/16 -
7 2011/09/27 -
8 2011/09/27 -
9 2011/11/08 -
10 2011/12/20 -
11 2012/01/31 -
12 2012/03/13 -
13 2012/04/24 -
14 2012/06/05 -
15 2012/07/17 -
16 2012/08/28 -
17 2012/10/09 -
18 2012/11/23 -
19 2013/01/08 -
20 2013/02/19 -
21 2013/04/02 -
22 2013/05/14 -
23 2013/06/25 -
24 2013/08/06 -
25 2013/09/17 -
26 2013/12/10 -
27 2014/02/04 -
28 2014/03/18 -
29 2014/04/29 -
30 2014/06/10 -
31 2014/07/22 -
32 2014/09/02 -
33 2014/10/14 -
34 2014/12/01 -
35 2015/01/13 -
36 2015/02/24 -
37 2015/04/06 -
38 2015/05/13 -
39 2015/07/03 -
40 2015/08/11 -
41 2015/09/22 -
42 2015/11/03 -
43 2015/12/15 -
44 2016/01/27 -
45 2016/03/08 -
46 2016/04/26 -
47 2016/06/07 -
48 2016/08/02 0.02%
49 2016/09/20 -
50 2016/11/15 -
51 2017/01/24 -
52 2017/03/07 0.025%
53 2017/04/19 -
54 2017/06/13 -
55 2017/08/08 -
56 2017/09/28 0.005%
57 2017/11/14 -
58 2018/01/23 -
59 2018/03/14 -
60 2018/05/09 -
61 2018/06/26 -
62 2018/09/05 -
63 2018/10/23 -
64 2018/12/11 -
65 2019/01/29 -
66 2019/03/19 -
67 2019/05/21 -
68 2019/07/09 -
69 2019/09/03 -
70 2019/10/23 -
71 2019/12/03 -
72 2020/01/07 -
73 2020/02/11 -
74 2020/03/10 -
75 2020/04/08 -
76 2020/05/05 -
77 2020/06/02 -
78 2020/06/30 0.025%
79 2020/07/28 0.005%
80 2020/08/25 -
81 2020/09/22 -
82 2020/10/20 -
83 2020/11/17 -
84 2020/12/15 -
85 2021/01/26 -
86 2021/02/23 -
87 2021/03/23 -
88 2021/04/19 -
89 2021/06/01 -
90 2021/07/13 -
91 2021/08/10 -
92 2021/09/07 -
93 2021/10/05 -
94 2021/11/02 -
95 2021/12/07 -
96 2022/01/11 -
97 2022/02/09 -
98 2022/03/08 -
99 2022/04/05 -
100 2022/05/03 -
101 2022/05/31 -
102 2022/06/28 -
103 2022/07/26 0.005%
104 2022/08/23 -
105 2022/09/20 -
106 2022/10/18 -
107 2022/11/15 -
108 2022/12/13 -
109 2023/01/17 -
110 2023/02/14 -
111 2023/03/14 -
112 2023/04/11 -
113 2023/05/09 0.039%
114 2023/06/06 -
115 2023/07/04 0.261%
116 2023/08/01 -
117 2023/08/29 -
118 2023/09/26 -
119 2023/10/24 0.005%
120 2023/11/21 -
121 2023/12/19 -
122 2024/01/23 0.005%
123 2024/02/20 -
124 2024/03/19 -
125 2024/04/16 0.005%
126 2024/05/14 -
127 2024/06/11 -
128 2024/07/09 0.073%
129 2024/08/06 -
130 2024/09/03 0.005%
131 2024/10/01 -
132 2024/10/29 0.005%
133 2024/11/26 0.015%
134 2025/01/07 0.02%
135 2025/02/04 0.025%
136 2025/03/04 0.025%
137 2025/04/01 0.015%
138 2025/04/29 0.02%
139 2025/05/27 0.034%
140 2025/06/24 0.054%
141 2025/07/22 1.627%
142 2025/08/19 0.744% ★
143 - 0.005%
144 - -
145 - -

Safari

ver. リリース日 日本でのシェア 現行
3.1 2008/03/18 -
3.2 2008/11/13 -
4 2009/06/08 -
5 2010/06/07 -
5.1 2011/07/20 -
6 2012/07/25 -
6.1 2013/10/22 -
7 2013/10/22 -
7.1 2014/09/18 -
8 2014/10/16 -
9 2015/10/01 -
9.1 2016/03/21 -
10 2016/09/20 -
10.1 2017/03/27 -
11 2017/09/19 -
11.1 2018/03/29 -
12 2018/09/17 -
12.1 2019/03/25 0.01%
13 2019/09/19 0.005%
13.1 2020/03/24 0.039%
14 2020/09/16 0.025%
14.1 2021/04/26 0.078%
15 2021/09/20 -
15.1 2021/10/27 0.005%
15.2-15.3 2021/12/13 0.005%
15.4 2022/03/14 0.01%
15.5 2022/05/17 0.01%
15.6 2022/07/20 0.14%
16.0 2022/09/12 0.029%
16.1 2022/10/24 0.02%
16.2 2022/12/13 0.01%
16.3 2023/01/23 0.025%
16.4 2023/03/27 0.01%
16.5 2023/05/18 0.015%
16.6 2023/07/24 0.194%
17.0 2023/09/26 0.005%
17.1 2023/10/25 0.136%
17.2 2023/12/11 0.015%
17.3 2024/01/22 0.015%
17.4 2024/03/05 0.029%
17.5 2024/05/13 0.034%
17.6 2024/07/29 0.194%
18.0 2024/09/16 0.015%
18.1 2024/10/28 0.025%
18.2 2024/12/11 0.02%
18.3 2025/01/27 0.063%
18.4 2025/03/31 0.049%
18.5-18.6 2025/05/12 0.614%
26.0 2025/09/15 0.02% ★
26.1 - -
TP - -

Safari on iOS

ver. リリース日 日本でのシェア 現行
3.2 2010/04/03 0%
4.0-4.1 2010/09/08 0%
4.2-4.3 2011/03/09 0.005%
5.0-5.1 2012/03/07 0%
6.0-6.1 2013/01/28 0.011%
7.0-7.1 2014/03/10 0.009%
8 2014/09/17 0%
8.1-8.4 2014/10/20 0%
9.0-9.2 2015/09/16 0%
9.3 2016/03/21 0.022%
10.0-10.2 2016/09/13 0.003%
10.3 2017/03/27 0.039%
11.0-11.2 2017/09/19 0.828%
11.3-11.4 2018/03/29 0.013%
12.0-12.1 2018/09/17 0.005%
12.2-12.5 2019/03/25 0.125%
13.0-13.1 2019/09/19 0%
13.2 2019/10/28 0.007%
13.3 2020/01/28 0.005%
13.4-13.7 2020/03/24 0.022%
14.0-14.4 2020/09/16 0.044%
14.5-14.8 2021/04/26 0.046%
15.0-15.1 2021/09/20 0.039%
15.2-15.3 2021/12/13 0.035%
15.4 2022/03/14 0.039%
15.5 2022/05/16 0.044%
15.6-15.8 2022/07/20 0.565%
16.0 2022/09/12 0.069%
16.1 2022/10/24 0.143%
16.2 2022/12/13 0.074%
16.3 2023/01/23 0.136%
16.4 2023/03/27 0.031%
16.5 2023/05/18 0.057%
16.6-16.7 2023/07/24 0.729%
17.0 2023/09/18 0.039%
17.1 2023/10/25 0.072%
17.2 2023/12/11 0.052%
17.3 2024/01/22 0.08%
17.4 2024/03/05 0.119%
17.5 2024/05/13 0.259%
17.6-17.7 2024/07/29 0.638%
18.0 2024/09/16 0.162%
18.1 2024/10/28 0.328%
18.2 2024/12/11 0.184%
18.3 2025/01/27 0.625%
18.4 2025/03/31 0.36%
18.5-18.6 2025/05/12 15.33%
26.0 2025/09/15 0.085% ★
26.1 - -

Google Chrome for Android

ver. リリース日 日本でのシェア 現行
139 2025/08/05 - ★

Mozilla Firefox for Android

ver. リリース日 日本でのシェア 現行
142 2025/08/20 - ★