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Longitudinal Administrative Databank

The Longitudinal Administrative Databank (LAD) is a longitudinal file designed as a research tool on income and demographics.

Major topics and subtopics

Income and earnings

  • Income before and after tax
  • Type of income: wages and salaries, self-employment, pensions, interest, dividends, public program benefits

Secondary topics

Families and households
Mobility and migration

Limited topics

Ethnic diversity and immigration


Administrative and longitudinal

Sample size

Sample of the T1 Family File/20% of taxfilers


Annual (since 1982)

Lowest levels of geography

Aggregations of postal codes

Products and services

  • Customized tabulations
Related links
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