Infidelity Research Desk
If you are trying to make sense of cheating, affairs, or suspicious behaviour, this section brings together the strongest research we can find on how often it happens, why it happens, and how phones, apps, and online habits have changed the picture.
This section is here to help you understand the patterns, warning signs, and common questions tied to this issue.
We lean on original reporting and well-known reference sources so the material is useful, not vague.
If what you are reading sounds uncomfortably familiar, this is the service area most closely connected to it.
Articles in this section.
These articles are here to help you understand the facts, the patterns, and where legal issues may affect your next step.
- Statistics Canada
- Institute for Family Studies
- peer-reviewed family-science journals
- Infidelity
Infidelity Statistics: Who Cheats More, Men or Women? [2026]
Men cheat more overall — 20% vs 13% — but the gap has closed sharply at younger ages. IFS/GSS gender and age-cohort breakdown [2026].
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Infidelity Trends: 1990–2025
Infidelity trends at a glance. IFS/GSS: 20% of ever-married men and 13% of women report cheating. Decade, gender gap, and age cohort breakdowns, 1990–2025.
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How to use this section.
Start with the article that sounds closest to your concern. If the law matters, read the legal explainers next. If you need help, talk to us.
- Start here 3 publications
These articles help you understand how this issue usually shows up and what the research says about it.
- If the law matters 0 briefs
Read these when privacy, admissibility, procedure, or courtroom use changes what you should do next.
- If you need help Cheating-spouses investigations
If this is more than a question and has become a real problem, move into the service page or contact us directly.
If this is the issue you are facing, we can help you look into it.
Research can help you understand the issue, but sometimes you need evidence, clarity, or a plan. That is where the next step starts.
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