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The State of Pet Homelessness Index

This Index is the first consistent, methodological measure of pet homelessness by country.

At Mars Petcare, we have an ambition to

End Pet Homelessness.

To better understand the issue, we teamed up with leading animal welfare experts and organizations around the world and together we developed the State of Pet Homelessness Index. This data tool pulls together credible, consistent data to measure the scale of the pet homelessness issue at a country level. The index also helps us understand the problem and the reasons why pets are homeless, by country.

The State of Pet Homelessness Index in numbers

The Index covers 9 countries so far. This data can be used by animal welfare organizations, policymakers, pet professionals, academics, researchers, and other interested parties to understand and work towards ending pet homelessness. 

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days of research

The Index is based on data from over 200 global and local sources and is supplemented by new quantitative research on people’s attitudes, country by country

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data sources

Global and local data sources relating to pet homelessness across the globe collected and analyzed


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organizations involved

Mars Petcare teams, charities, non-government, and pet care organizations consulted to gather data on pet homelessness and advise on the Index approach

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220 million

shelter, street or stray dogs and cats

Estimated number of shelter, street or stray dogs and cats in the 9 countries measured so far


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Find out all about our data and partnerships

Learn about how we collected and analyzed the data in collaboration with industry experts.

Ending Pet Homelessness
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Together we can End Pet Homelessness

Explore a wide range of programs that can help you make a difference in your community.

How our brands are helping

Find out how our brands are helping to end pet homelessness all over the world through local and national programs and initiatives.


Driven by our Mars Petcare Purpose: A BETTER WORLD FOR PETS

Check out these stories to see how some of our Mars Petcare Associates are helping to End Pet Homelessness: