 Less than 1% of Japan practices water fluoridation.Instead, as of March 2010, a total of 7,479 schools and 777,596 preschool to junior high school children were participating in school-based fluoride mouth-rinsing programme (S-FMR), with an estimate of 2,000,000 children participating in 2020.In 2005, the ruling Uri Party proposed legislation for compulsory water fluoridation for municipalities.