Statistics
This page presents statistics of CoderDojo in Japan.
Use this to understand CoderDojo activities across Japan.
📊
Transition Charts
🆕
Latest Data
Latest statistics including 2025 data
(actual values) are as follows:
| Active Dojos |
Total Events |
Total Participants |
| 207 |
10692 |
64706 |
📝
About Data Collection
- The number of participants is total count, not unique count.
- Only dojos that can be aggregated via APIs are included.
Data is aggregated every Monday at 10:00 AM (JST).
The number of dojos included in the aggregation is as follows:
230 /
322 Dojos
(Including inactive dojos)
🔍
Aggregation Target and Coverage Ratio
|
Year
|
’12
|
’13
|
’14
|
’15
|
’16
|
’17
|
’18
|
’19
|
’20
|
’21
|
’22
|
’23
|
’24
|
|
Aggregated
|
5
|
5
|
14
|
18
|
50
|
92
|
127
|
161
|
177
|
193
|
205
|
221
|
230
|
|
Total Dojos
|
5
|
7
|
17
|
22
|
63
|
118
|
172
|
222
|
248
|
267
|
287
|
307
|
322
|
|
Ratio
[%]
|
100
|
71.4
|
82.4
|
81.8
|
79.4
|
78.0
|
73.8
|
72.5
|
71.4
|
72.3
|
71.4
|
72.0
|
71.4
|
※ Including inactive dojos
☯️
Events and Participants Trends
|
Year
|
’12
|
’13
|
’14
|
’15
|
’16
|
’17
|
’18
|
’19
|
’20
|
’21
|
’22
|
’23
|
’24
|
|
Ratio
[%]
|
100
|
71.4
|
82.4
|
81.8
|
79.4
|
78.0
|
73.8
|
72.5
|
71.4
|
72.3
|
71.4
|
72.0
|
71.4
|
|
Events
(actual)
|
46
|
90
|
129
|
158
|
361
|
864
|
1115
|
1517
|
1250
|
1073
|
1256
|
1203
|
1208
|
|
Participants
(actual)
|
177
|
258
|
679
|
1102
|
2333
|
5619
|
7471
|
10407
|
7281
|
5432
|
6690
|
7038
|
7562
|
※ Data from the transition charts above
💭
Estimated Events and Participants
|
Year
|
’12
|
’13
|
’14
|
’15
|
’16
|
’17
|
’18
|
’19
|
’20
|
’21
|
’22
|
’23
|
’24
|
|
Ratio
[%]
|
100
|
71.4
|
82.4
|
81.8
|
79.4
|
78.0
|
73.8
|
72.5
|
71.4
|
72.3
|
71.4
|
72.0
|
71.4
|
|
Events
(estimated)
|
46
|
126
|
156
|
193
|
454
|
1107
|
1510
|
2092
|
1750
|
1484
|
1759
|
1670
|
1691
|
|
Participants
(estimated)
|
177
|
361
|
824
|
1347
|
2938
|
7203
|
10123
|
14354
|
10197
|
7513
|
9369
|
9775
|
10591
|
※ Calculation example for 2024 participants estimate:
7562 / 0.714
= 10591
(decimals are truncated)
🗾
Dojos by Region
✅
Dojos by Prefecture
(43 / 47)
|
Prefecture
|
Dojos
|
|
Hokkaido
|
3
|
|
Aomori
|
1
|
|
Iwate
|
2
|
|
Miyagi
|
3
|
|
Akita
|
0
|
|
Yamagata
|
3
|
|
Fukushima
|
7
|
|
Ibaraki
|
5
|
|
Tochigi
|
3
|
|
Gunma
|
1
|
|
Saitama
|
5
|
|
Chiba
|
15
|
|
Tokyo
|
27
|
|
Kanagawa
|
8
|
|
Niigata
|
1
|
|
Toyama
|
8
|
|
Ishikawa
|
1
|
|
Fukui
|
0
|
|
Yamanashi
|
1
|
|
Nagano
|
5
|
|
Gifu
|
2
|
|
Shizuoka
|
5
|
|
Aichi
|
14
|
|
Mie
|
1
|
|
Shiga
|
0
|
|
京都
|
3
|
|
Osaka
|
21
|
|
Hyogo
|
8
|
|
Nara
|
3
|
|
Wakayama
|
3
|
|
Tottori
|
1
|
|
Shimane
|
8
|
|
Okayama
|
4
|
|
Hiroshima
|
3
|
|
Yamaguchi
|
3
|
|
Tokushima
|
3
|
|
Kagawa
|
1
|
|
Ehime
|
2
|
|
Kochi
|
1
|
|
Fukuoka
|
6
|
|
Saga
|
1
|
|
Nagasaki
|
1
|
|
Kumamoto
|
1
|
|
Oita
|
0
|
|
Miyazaki
|
1
|
|
Kagoshima
|
1
|
|
Okinawa
|
11
|
📚
Related Links
