Abuja - The government has agreed a 6.0 trillion naira budget for the coming year, budget and national planning minister Udoma Udo Udoma said on Monday.
"Next year, we are looking at an expansionist budget," he told reporters after a cabinet meeting in the capital, Abuja.
"We are looking at a budget that will be 1.0 trillion naira more than last year (2015). So, we are looking at a budget of about 6.0 trillion."
Udoma said 30 percent would go on capital expenditure - up from 15 percent this year.
Nigeria's economy has been hit hard by falling global crude prices, affecting government spending on much-needed infrastructure projects, and even payment of state sector salaries.
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President Muhammadu Buhari has complained the previous administration left the country's treasury "virtually empty" and has vowed to reclaim "mind-boggling" sums looted by corrupt officials.
The head of state has begun an overhaul of the state-run oil company and forced government departments and agencies to deposit revenues in a single treasury account for better monitoring and transparency.
On oil, Udoma said the government was assuming a conservative price per barrel of $38 and production of 2.2 million barrels per day.
But he also said boosting non-oil revenues was key as well as cutting recurrent expenditure and making tax revenue collection more efficient.
Last week, finance minister Kemi Adeosun launched a new Efficiency Unit, designed to cut government waste as a first step towards reducing overheads.