He held office for merely 1 year and 1 month, the second shortest first minister tenure the country has seen since the office was established in 1999, BBC News reports.
Yousaf was infamously known for a 2020 speech just before he was elected during which he said "99 percent of the meetings I go to, I'm the only non-white person in the room."
"But why are we surprised when the most senior positions in Scotland are filled almost exclusively by those who are white?" he continued, followed by him listing a slew of office positions filled by a white person.
Yousaf, the first Muslin head of government in modern Western Europe headed the left-wing Scottish National Party (SNP) which broke its power-sharing agreement with the Green Party over climate change policy disagreements, per Reuters.
In his resignation speech Monday, he said "I've concluded that repairing our relationship across the political divide can only be done with someone else at the helm."
He added that he had "underestimated the level of hurt" he caused the Greens but was "not willing to trade my values and principles" to stay in power.