"The total revenue for the first quarter amounts to 192.072 billion riyals (51.1 billion dollars), which has decreased by 22 percent compared to the same period of the last year," the ministry in a statement on Wednesday.
Oil revenues dropped 24 percent to 128.771 billion riyals (35 billion dollars) in the first quarter, while non-oil revenue decreased by 17 percent to 63.3 billion riyals (17 billion dollars).
During the same quarter of 2019, the Saudi national budget saw a surplus of 27.8 billion riyals (7.5 billion dollars) with the revenue standing at 245.41 billion riyals (66.3 billion dollars).
Finance Minister Mohammed al-Jadaan said last week that the government expected the COVID-19 crisis to last for several more months but that it would have a limited impact on its first-quarter revenue.
Saudi Arabia has projected a deficit of 187 billion riyals (50 billion dollars), or 6.4 percent of the gross domestic product, this year.
It reported over 20,000 coronavirus cases as of Tuesday with 152 deaths.