In order to stay independent, Wikipedia and other Wikimedia properties prefers to rely on donations from users rather than accepting advertising and sponsorships. A unique approach and worked well so far. .
In what has become a Christmas tradition, Wikipedia founder Jimmy Wales posted a personal appeal for donations to the Wikimedia Foundation earlier this month. On the first day alone, the nonprofit raised $430,000 from 13,000 people. Today, Wales announced that Wikimedia reached its fundraising goals. In total, the foundation managed to raise $7.5 million. Last year, when Wales posted a similar appeal, the Wikimedia Foundation received $6.2 million from 125,000 donors.
The non-profit organization has 35 employees and needs around $10 million overhead cost per year