You don't need to fake a birth certificate, you just need to 'request a replacement' in the name you're using. I believe this was a big issue a few years ago, p

You don't need to fake a birth certificate, you just need to 'request a replacement' in the name you're using. I believe this was a big issue a few years ago, people requesting birth certificates for people who had died young, then leveraging those to get passports etc.