As this page, based on Form 990 disclosures, https://meta.wikimedia.org/wiki/Wikimedia_Foundation_salaries https://meta.wikimedia.org/wiki/Wikimedia_Foundation

As this page, based on Form 990 disclosures, https://meta.wikimedia.org/wiki/Wikimedia_Foundation_salaries https://meta.wikimedia.org/wiki/Wikimedia_Foundation_salarie... shows, the Wikimedia CEO's salary e.g. roughly doubled from 2010 to 2020, a period when US inflation was at 2% p.a. As for how much money Wikipedia needs, in 2013 Erik Möller, then a Wikimedia VP, worked out that the WMF could fulfil its mission on "$10M+/year": https://lists.wikimedia.org/pipermail/wikimedia-l/2013-March/124621.html https://lists.wikimedia.org/pipermail/wikimedia-l/2013-March... Last year, the Wikimedia Foundation took $163 million. https://upload.wikimedia.org/wikipedia/foundation/1/1e/Wikimedia_Foundation_FY2020-2021_Audit_Report.pdf#page=5 https://upload.wikimedia.org/wikipedia/foundation/1/1e/Wikim... This 2021 article by an INSEAD fellow https://www.ineteconomics.org/perspectives/blog/wikipedias-deep-ties-to-big-tech https://www.ineteconomics.org/perspectives/blog/wikipedias-d... says: "The vast majority of Wikimedia’s value to ordinary people – the website we know and use – costs the firm about 30 percent of their $112.5 million operating budget ($33.75 million) to maintain according to Lisa Seitz Gruwell, Chief Advancement Officer at Wikimedia."