OTTAWA - Canada's central banker says the institution will be reviewing how the loss of the long census will impact its work.

And Mark Carney says the Bank of Canada may need to search out other sources of information.

The Conservative government recently decided to replace the mandatory long census with a voluntary survey, a move that many critics have said will effect the quantity of useable data.

The governor says the bank does not use the raw data from the census.

But Carney says the census data could impact the accuracy of unemployment, household income and productivity statistics put out by Statistics Canada.

He says the bank will be working with Statistics Canada to assess if the proposed changes affect the accuracy and reliability of data it uses.

Carney had high praise for the agency, a day after the chief statistician resigned over the elimination of the long census.