According to a Reuters survey, the Organization of the Petroleum Exporting Countries' (OPEC) oil production rose in March due to an increase in supply from Iran and Iraq. OPEC's oil output increased to 32.47 million barrels per day (bpd) in March from 32.37 million in February.
Saudi Arabia produced 10.18 million bpd in March, down from 10.20 million bpd in February.
Iran increased its oil production by 230,000 bpd since December 2015.
Oil production declined in Nigeria, Libya and United Arab Emirates, while exports from Angola rose.