Gross domestic product by industry

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April 2011 (Previous release)

Real gross domestic product was unchanged in April after increasing 0.3% in March. Both the goods-producing and the services sectors remained unchanged in April.

Significant increases were recorded in mining of metal ore and coal. Retail trade, the public sector, construction and utilities also advanced. However, this growth was offset by declines in manufacturing and, to a lesser extent, in wholesale trade and the finance, insurance and real estate sector. Transportation services were unchanged.

Real gross domestic product unchanged in April

Metal ore and coal bolster mining

Mining rose 1.0% in April, primarily on the strength of copper, nickel, lead and zinc mining. Coal mining also contributed to this growth. Support activities for mining oil and gas extraction continued to advance. Overall, oil and gas extraction was down 0.3%, as a reduction in natural gas production outweighed higher production of crude petroleum.

Note to readers

The monthly gross domestic product (GDP) by industry data at basic prices are chained volume estimates with 2002 as their reference year. This means that the data for each industry and aggregate are obtained from a chained volume index multiplied by the industry's value added in 2002. For the 1997 to 2007 period, the monthly data are benchmarked to annually chained Fisher volume indexes of GDP obtained from the constant-price input-output tables.

For the period starting with January 2008, the data are derived by chaining a fixed-weight Laspeyres volume index to the prior period. The fixed weights are the industry output and input prices of 2007. This makes the monthly GDP by industry data more comparable with the expenditure-based GDP data, chained quarterly.


With this release of monthly GDP by industry, revisions have been made back to January 2010. For more information about monthly GDP by industry, see the National Economic Accounts module on our website (

Motor vehicle and parts production leads the decline in manufacturing

Manufacturing decreased 0.7%, with most of the decline concentrated in the production of durable goods. The 6.9% decrease in motor vehicles and parts production was mostly due to supply disruptions as a consequence of the tsunami in Japan. This decrease, combined with lower production of aerospace products, led to a 4.7% reduction in manufacturing of transportation equipment.

Manufacturers of furniture and related products, printed products and electric equipment also cut back production. Conversely, manufacturing of machinery, notably of mining and oil and gas machinery, and of food products increased.

The manufacturing sector declines

Retail trade up, wholesale trade down

Retail trade increased 0.5% in April after declining 1.2% the month before. Increases were registered at furniture and home furnishings stores, new and used car dealers as well as at clothing and accessory stores. In contrast, activity at building material and garden equipment and supplies stores was down.

Wholesale trade decreased 0.5% in April. Wholesalers of motor vehicle and parts, petroleum products and building materials reported declines. Conversely, wholesaling of food, beverage and tobacco products as well as of personal and household goods and of machinery and equipment increased.

Construction activity edges up

Construction edged up 0.1% following the 0.9% increase in March. Engineering and repair work grew while residential construction declined on account of decreases in single dwellings, renovations and apartments.

The output of real estate agents and brokers decreased 4.4%, reflecting lower home resale activity in most provinces.

Finance and insurance sector continues to decline

The finance and insurance sector fell 0.4%. The decrease was attributable to declines in the volume of personal and business loans and deposits at financial institutions, as well as in the volume of trading on the stock exchanges. Activity at insurance carriers fell 0.5%.

Main industrial sectors' contribution to the percent change in gross domestic product, April 2011

Available on CANSIM: table 379-0027.

Definitions, data sources and methods: survey number 1301.

The April 2011 issue of Gross Domestic Product by Industry, Vol. 25, no. 4 (15-001-X, free) is now available from the Key resource module of our website under Publications.

Data on gross domestic product by industry for May will be released on July 29.

For more information, or to order data, contact the dissemination agent (toll-free 1-800-887-4623; 613-951-4623; To enquire about the concepts, methods or data quality of this release, contact Allan Tomas (613-951-9277), Industry Accounts Division.