You can google the vaccination rates per country. DTP seems to the highest rate of vaccination in every country. The highest countries I see have a 94% vaccination rate. Even if a country mandates a vaccination, actually getting it to every person is impossible given the problems of distribution, particularly among poorer rural areas of the country.
The US puts pressure on parents to vaccinate their kids. We have provide a vaccine card to enroll my daughter in school. In my opinion, this is a good thing.