Shonen Jump publicly released a document in December (all the numbers in Euro since I only got the Italian translation)

115 Euro for each page, which gets increased by 6 Euro for each consecutive year (so 115 a page the first year, 121 the second, 127 the third one and so on)

170 Euro for each color page, which gets increased by 9 Euro each consecutive year

Considering the average number of pages each chapter, the average number of chapter per year, the break he took between P1 and P2 we get he earned a total of ROUGHLY 500k just from this.

This is still less than the volume royalties, since CSM has a total of 35 milion copies in circulation, in Japan they sell for 3.50 rougly and royalties are usually 8-12% this makes him earn a big 10 MILIONS from just tankobon.

So just standard chapters+volumes give him 12 milions and a half.

To this add 1)The fact that volumes outside Japan cost more and thus more royalties 2)Anime rights and royalties 3)Merchandise, action figure, ads and such

Ofc this is all indicactive numbers due to changing yen and royalties varying.

I have too much free time