Google doesn't penalize duplicate content on localized websites. Translating or customizing core content for local markets is acceptable. However, unique content is still needed for certain pages.

Duplicate content doesn't negatively impact a site's quality in Google's eyes. While not harmful, duplicate content can slow down crawling and make performance tracking difficult. Using canonical tags ...

If your SEO is lagging and you’re not sure why, duplicate content could be a part of the problem. Duplicate content is exactly what it sounds like: Content that exists in more than one place on the ...