Table 1.

Statistical Area Classification Hierarchy (2001)[20,21]

	Category	Description	% of Canadian Population
Urban
	Census Metropolitan Areas (CMA)	One or more adjacent Census Subdivisions (CSDs) situated around a major urban core (population ≥ 100,000).	64.3
	Census Agglomerations (CA)	One or more adjacent CSDs situated around a major urban core (population ≥ 10,000).	15.1
Rural
	Strong Metropolitan Influenced Zone (MIZ)	A CSD where more than 30% of residents commute to work in an urban core (population < 10,000).	5.1
	Moderate MIZ	A CSD where between 5% and 30% of residents commute to work in an urban core (population < 10,000).	7.6
	Weak MIZ	A CSD where between 0% and 5% of residents commute to work in an urban core (population < 10,000).	6.6
	No MIZ	A CSD where forty or fewer residents commute to work in an urban core (population < 10,000).	1.1