more than onethird of respondents in the slovak republic reported an activity limitation induced by health problems compared with only in iceland and sweden on average of the population is obese in the oecd figure the proportion of obese people varies from about onethird in the united states and mexico to around oneinfour in new zealand chile australia and canada to less than in a number of asian countries including india indonesia china japan and korea rates of obesity have risen rapidly in recent decades affecting all population groups to varying extents with more educated and higher socioeconomic status women displaying substantially lower rates and mixed patterns being observed for men sassi