"We have fulfilled the instructions of the government, by setting the budget deficit at 3 per cent of the GDP," Siluanov said, quoted by Russian news agencies.
Earlier versions had set the deficit lower at around 2.8 per cent, TASS state news agency reported.
Siluanov said spending was planned at 16.098 trillion rubles (USD 257 billion) while budget revenues were forecast at 13.378 trillion rubles (USD 220 billion).
Russia after being able to balance its finances for many years, has been hit by the plunge in prices for oil, which along with gas makes up half of revenues, as well as Western sanctions over the Ukraine conflict, triggering a severe recession.
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The latest budget will cover only the next year, not three years as usual. It has been the subject of intensive discussions over the last few weeks.
A final draft version will be submitted to lawmakers by the end of the week, Prime Minister Dmitry Medvedev said yesterday.
The government also plans to offer 30 billion rubles (USD 479 million) of government bonds to members of the public, echoing a Soviet practice, Siluanov said.