The bar chart illustrates the proportion of obesity population in Japan, Sweden, Britain, and USA. Overall, while the obesity levels in Japan and Sweden grew only slightly, those in America and Britain grew more sharply.
In Japan, the level of overweight population was at around 2%. This figure increased minimally to about 3% by 1990, and then rose slightly to 5% in 2000. Similarly, the figure for obesity level in Sweden was 6% in 1980, and increased steadily in the next two decades to just 11% by the end of the period.
The level of overweight people in London was approximately 8% in 1980. Meanwhile, those in Britain rose consistently at around 6%, just above 5% of obesity level over the 20-year period. In case, the percentage of obese people in America was at around 17%, just above 15%. In 1990, this proportion increased gradually to 20%. Therefore, those in America grew dramatically to 32% over the last decade-year period.
In conclusion, while America had the highest level of obesity in all these periods, Japan had the lowest.