75% of kids have tooth decay by 15

75% of kids in Ireland have tooth decay by 15: "The IDA pointed out that by the age of 15, 75% of Irish children have experienced tooth decay. This makes it the most chronic condition young people experience in this country. Research indicates that it is children from more deprived backgrounds who have a higher risk of decay."

Ireland is the only country that mandates fluoridation country-wide.