🗾 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
202	10886	65803

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

231 / 320 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
Ratio [%]	100	71.4	82.4	81.8	79.4	78.0	73.8	72.5	71.4	72.6	71.9	72.5	72.2
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	72.6	71.9	72.5	72.2
Events (estimated)	46	126	156	193	454	1107	1510	2092	1750	1477	1746	1659	1673
Participants (estimated)	177	361	824	1347	2938	7203	10123	14354	10197	7482	9304	9707	10473

※ Calculation example for 2024 participants estimate: 7562 / 0.722 = 10473 (decimals are truncated)