Revenues to the consolidated budget amounted to RON233.6 billion, 9% higher than in 2014, and spending grew 8% on the year, to RON243.9 billion, finance ministry data showed.
Romania had a budget deficit of 1.72% of GDP in 2014.
Profit tax collection grew 13% last year compared with 2014, income tax collection grew 12.4%, revenue from the value-added tax grew 12.3%, and excise duty collection grew 8%. Non-tax revenue increased 12% on the year in 2015, the data showed.
Romania was reimbursed RON17 billion by the European Union last year, a growth of 49.3% compared with 2014.
Budget expenditure stood at RON243.9 billion in 2015, as staff spending grew 3.2% due to wage raises in the public sector, while spending on interests declined 6.2% due to lower yields on state paper.
Co-financing on projects financed with non-reimbursable funding grew 62.4% compared with 2014.
Investment spending, which includes capital spending and EU fund expenditure, amounted to RON41.3 billion, or 5.9% of GDP, from RON32.7 billion in 2014.
Romania stepped up its investment spending in December after posting a budget surplus of nearly 0.8% in January-November.