In homes in OECD countries in 2011, single-parent homes made up about 3-11%. The average was 7.5%. The percentage was highest in Australia (10%), Canada (10%), Mexico (10%), the United States (10%), Lithuania (10%), Costa Rica (11%), Latvia(11%) and New Zealand (11%). It was the lowest in Japan (3%), Greece (4%), Switzerland (4%), Bulgaria (5%), Croatia (5%), Germany (5%), Italy (5%) and Cyprus (5%).