Short answer: the Five Eyes (US, UK, Canada, Australia, New Zealand) cooperate closely on intelligence and border security; visa and immigration reviews may share relevant information. Adverse history in one may affect another.
Five Eyes and Immigration Data-Sharing Concepts
Written by Global Immigrate consultants · Reviewed by Oscar Yip, Founder & Managing Director
Summary
Close intelligence and border cooperation can affect visa reviews.
FAQ
Are refusals shared?
Security and identity cooperation mechanisms exist.
Only Five Eyes?
Other bilateral/multilateral arrangements also exist.
Ordinary people watched?
Mostly system matching — not manual one-by-one surveillance.