Australia has MyGov and I have to say it works really well https://my.gov.au https://my.gov.au. Linking accounts is fairly painless and I assume it also functi

Australia has MyGov and I have to say it works really well https://my.gov.au https://my.gov.au. Linking accounts is fairly painless and I assume it also functions as a pseudo MDM (Master Data Management) tool in that Government departments have a unique key to link people across different services.