The ministry said a series of blasts rocked Baghdad early in the morning, killing at least 31 people and leaving more than 50 others injured, CNN reported
In Kirkuk two car bombs exploded killing four people and injuring 23 others, including six police officers.
The interior ministry said March had the lowest monthly death toll since the U.S. led invasion in 2003.
Figures released by the ministry reveal 78 civilians, 12 Iraqi soldiers and 22 police officers died last month, a total of 112 deaths.
Until then, the lowest monthly death total was recorded in November 2009 when 122 people died.