AppleCare+, since 2019, has been renewable (presumably until Apple declares the product obsolete) for most products except the AirPods (in my experience) in the following countries [1]:
Australia, Austria, Canada, Denmark, Finland, France, Germany, Ireland, Italy, Japan, the Netherlands, New Zealand, Norway, Spain, Sweden, Switzerland, the United Kingdom and the United States
Australia, Austria, Canada, Denmark, Finland, France, Germany, Ireland, Italy, Japan, the Netherlands, New Zealand, Norway, Spain, Sweden, Switzerland, the United Kingdom and the United States
[1] https://support.apple.com/en-us/101560