Annually, usually in the Spring.
Each year, when DemoStats is completed, PRIZM is updated. The update reflects the most recent estimates of Canada's demographic and socioeconomic characteristics, along with updated Social Values data and financial credit data from Equifax. Both postal code and dissemination area PRIZM assignments are reassessed given the up-to-date estimates
We recognize that changes and shifts occur in Canada's demographic landscape on a daily basis. However, we are only concerned with large systematic change that can be measured. During the development of DemoStats, we examined the themes that are most important, such as age structure, income distribution, housing stock and tenure, diverse populations, family structure and the continuing urbanization of Canada