Adolph (npub17eh…94rr), the thread npub1kwy9yyt6slyyf7k7h584khkp4nnf8s9x52lwvztuh07lpc0pqwaslkmjf4 (npub1kwy…mjf4) linked provide data for more than just Mastodon, but the conclusion was as follows:
As conclusions, we could say that the Fediverse is getting decentralized in terms of server distribution (first analysis) but, in contrast, software usage is becoming less diverse.
I would say it’s a price to be paid when even the analysis include Misskey and Diaspora instances as Mastodon servers. The graphs also made me realize that I probably have color sex daily.