Brazil's government debt as a share of gross domestic product rose to 75.7% in March from 75.5% the month before, central bank data showed on Monday.

The Brazilian public sector posted a primary surplus of 1.177 billion reais ($232.05 million) for the month, while economists polled by Reuters expected a 1.55 billion-real deficit. ($1 = 5.0722 reais) (Reporting by Marcela Ayres; editing by Gabriel Araujo)