A researcher here at the U of S is looking for the number of shopping centres/malls in each province, preferably at the level of CSD or CMA. I know the Annual Retail Store Survey lets users extract the number of stores by individual category at the provincial level, but I haven't found a product focused on malls. I'm sure that retail/trade associations keep such data, but I thought I'd see if StatsCan does too.
I consulted the division that manages our retail store surveys and they unfortunately do not have data on the number of shopping malls by province.
I also consulted the division that manages our Business Register and they provided the following information: "Unfortunately, we are unable to provide the number of shopping centres or malls as we only maintain counts of business locations, establishments or enterprises, and we do not keep track of whether a particular retail store or service belongs to a mall. The Business Register is able to provide counts of business locations for NAICS 531120 at either the CSD or CMA level. (...) However, I would like to point out that this NAICS is not exclusive to malls or shopping centres and also includes other commercial and industrial buildings (ex. office buildings, meeting halls, reception hall, etc). Therefore, the counts would also reflect these types of businesses."
For your reference, a description of NAICS 531120, Lessors of Non-Residential Buildings (except Mini-Warehouses), is available at: http://stds.statcan.gc.ca/naics-scian/2007/cs-rc-eng.asp?criteria=531120&keyword=shopping&table=2&code_level=
Canadian Business Patterns (available through the DLI - http://www.statcan.gc.ca/dli-ild/data-donnees/ftp/cbp-sic-eng.htm) contains Business Register data and could provide counts of business locations for NAICS code 531120 (http://www.statcan.gc.ca/concepts/industry-industrie-eng.htm) at the CMA level if your researcher decides that this would be of interest. Similar Business Register data at the CSD level would be available as a custom extraction (approximate cost of $760). I would be happy to refer you to an Account-Executive who can provide an official quote if your researcher wishes to look into this type of product.
I hope that this information is helpful. Should you have any other questions, please do not hesitate to let me know.