From the Economist a chart showing the increase in male BMI (body mass index) since 1980. The maps are based on a study led by Professor Majid Ezzati of Imperial College and show obesity as mainly a rich-world problem. As countries have developod economically, waistlines have expanded too, the one significant exception being India. Click the tabs at the top right of the embedded chart to switch year or view percentage changes.
Imperial College have the full year by year data, including options to view data for females, blood pressure and cholesterol here: Metabolic Risks