Drop blamed on lower sales in the petroleum and coal products, transportation equipment and chemical industries.
Unemployment rate declined by 0.2 percentage points to 6.3%, its lowest level since October 2008.
28.2% of Canadian households now comprise only a single person, the highest proportion ever recorded in Canada.
Sales up in 16 of 21 industries, representing 71% of the manufacturing sector.
But debt-to-income ratio is still near a record high, StatsCan says.
Canadians who turned 30 between 2000 and 2014 had a family income that was equal to, or greater than what their parents earned at the same age.
Gains in March were led by the building material and supplies subsector.
Sales were up in 16 of 21 industries, representing 71% of the Canadian manufacturing sector.
Personal and household goods subsector posted the largest decline in dollar terms.
Automotive and auto parts subsector grew by 17.1% to $11.9 billion, its first increase in three months.
Third consecutive month of growth.
Most job gains in February came from full-time work, offset by a decline in the number of people working part-time.
Exports hit new high; merchandise trade balance with the world widened to $807 million in January.
Increases helped drop the unemployment rate to 6.8% from 6.9%.
Motor vehicle and parts sales fell 5.8% to $10.5 billion.