Index/Topics/Sanctuary policies and crime rates

Sanctuary policies and crime rates

The relationship between sanctuary policies and crime rates in various jurisdictions, including the impact on local economies and health-related reporting.

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10 results
Jan 28, 2026
Most Viewed

How do sanctuary cities affect ICE's ability to detain undocumented immigrants with criminal records?

limit or condition local cooperation with federal —most often by refusing detainer requests, limiting information-sharing, or barring local arrests for civil immigration violations—which can reduce th...

Jan 24, 2026
Most Viewed

How do sanctuary policies impact local crime rates and public safety based on empirical studies?

A growing body of empirical research finds that do not increase crime and in many studies are associated with equal or lower rates of violent and property crime compared with non‑sanctuary jurisdictio...

Jan 17, 2026
Most Viewed

How do outcomes (crime, trust in police, deportation rates) compare between declared sanctuary cities and similar non‑sanctuary cities?

A substantial body of peer‑reviewed and policy research finds that declared sanctuary jurisdictions do not produce higher crime rates and, in many analyses, are associated with unchanged or lower crim...

Jan 26, 2026

do sanctuary policies make communities safer

The preponderance of peer-reviewed research and major policy analyses finds that do not increase crime and in many studies are associated with equal or lower crime rates and in jurisdictions that adop...

Feb 5, 2026

How do sanctuary policies affect crime reporting and community trust in immigrant neighborhoods?

—local rules that limit cooperation with federal civil immigration enforcement—consistently correlate with higher levels of trust and greater willingness among immigrants to report crimes, and the pre...

Feb 4, 2026

What empirical evidence links sanctuary policies to public-safety, crime, and deportation rates?

Multiple peer-reviewed and policy studies converge on two empirical findings: substantially reduce deportations—particularly of nonviolent and nonconvicted immigrants—while producing no detectable inc...

Feb 3, 2026

What does the National Academy of Sciences/PNAS research say in detail about sanctuary policies and violent crime/deportations?

paper published in PNAS ( 2020) finds that local implemented 2010–2015 significantly reduced overall—about one-third for people fingerprinted by local authorities—while sharply cutting deportations of...

Jan 31, 2026

What evidence links sanctuary policies to crime rates, economic outcomes, and public‑health metrics?

A substantial and growing body of empirical research finds no evidence that increase overall crime—and in many studies they are associated with lower crime, stronger local economies, and improved heal...

Jan 24, 2026

What practical effects do sanctuary policies have on local policing practices and community safety according to independent studies?

Independent empirical studies generally find that —broadly defined as local limitations on cooperating with federal immigration detainer requests—do not increase crime and in many cases are associated...

Jan 15, 2026

What evidence exists on how sanctuary or inclusive policies affect local crime rates and community reporting?

The best-available, peer-reviewed work finds little to no evidence that sanctuary or inclusive local immigration policies increase crime; several studies report null effects or small declines in certa...