🗾 Statistics

This page presents statistics of CoderDojo in Japan.
Use this to understand CoderDojo activities across Japan.

📊 Transition Charts

Latest statistics including 2026 data
(actual values) are as follows:

Active Dojos	Total Events	Total Participants
209	12333	74269

Data is aggregated every Monday at 10:00 AM (JST).
The number of dojos included in the aggregation is as follows:

249 / 339 Dojos

(Including inactive dojos)

🔍 Aggregation Target and Coverage Ratio

※ Including inactive dojos

☯️ Events and Participants Trends

Year	’12	’13	’14	’15	’16	’17	’18	’19	’20	’21	’22	’23	’24	’25
Ratio [%]	100	71.4	88.2	86.4	81.0	78.8	74.4	75.7	74.2	75.2	74.7	75.1	74.7	73.5
Events (actual)	46	90	129	158	361	864	1115	1517	1250	1073	1256	1203	1208	1274
Participants (actual)	177	258	679	1102	2333	5619	7471	10407	7281	5432	6690	7038	7562	7706

※ Data from the transition charts above

💭 Estimated Events and Participants

Year	’12	’13	’14	’15	’16	’17	’18	’19	’20	’21	’22	’23	’24	’25
Ratio [%]	100	71.4	88.2	86.4	81.0	78.8	74.4	75.7	74.2	75.2	74.7	75.1	74.7	73.5
Events (estimated)	46	126	146	182	445	1096	1498	2003	1684	1426	1681	1601	1617	1733
Participants (estimated)	177	361	769	1275	2880	7130	10041	13747	9812	7223	8955	9371	10123	10484

※ Calculation example for 2025 participants estimate: 7706 / 0.735 = 10484 (decimals are truncated)