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Cat litter statistics we are comfortable citing

This page is deliberately narrower than the old version. We removed weakly sourced market-share claims and kept the public data points that are most useful for litter odor discussions.

Reviewed on 2026-03-21

Canadian Cat Ownership

These are the strongest public data points we found for understanding the size of the cat-owning audience in Canada.

Housing Pressure and Small-Space Living

Litter odor is usually harder to ignore in apartments, condos, and tightly sealed winter homes, so housing context matters.

Apartment living remains common in major metros

High relevance

Statistics Canada and CMHC both track rental and apartment conditions that shape how indoor odor spreads in smaller homes.

Statistics Canada

Rental affordability remains a pressure point

Shared national trend

CMHC rental reporting helps explain why many cat owners need odor control that works in smaller spaces without constant litter replacement.

Canada Mortgage and Housing Corporation

Why Odor Control Advice Focuses on Ammonia

Public health and adsorption literature are clearer on ammonia exposure and odor-trapping mechanisms than on brand-level litter performance claims.

Ammonia is the odor to watch

Primary litter-box concern

NIOSH identifies ammonia as an irritant, which is why litter-box smell discussions usually center on ammonia management.

CDC / NIOSH

Activated carbon is used for gas adsorption

Well documented

Peer-reviewed adsorption research supports using activated carbon where gaseous compounds need to be trapped instead of merely masked.

Environmental Science & Technology

What we intentionally removed

  • Brand-level satisfaction and guarantee claims that we could not verify independently.
  • Fine-grained litter market-share numbers without a strong public source trail.
  • City rankings that looked precise but were mostly assembled from mixed survey material.

Where to go next

→ Browse city-specific odor guides→ Use the litter cost calculator→ Read the best odor-control comparison→ Read the ammonia explainer

Need a product example after reading the data?

We use Purrify as the current example of an activated carbon additive because it matches the product type discussed across the site.

Visit Purrify

Disclosure: Some product links on this site are sponsored and may earn a commission.

Source library used on this page

Source review date: 2026-03-21