The excellent data blog from The Guardian created an interactive visualization showing murder rates in the world’s most populous cities. The data, obtained from the UN, shows that Caracas, Guatemala City, and Basseterre have the highest homicide rates, while Lisbon, Ljubljana, and Tokyo have the lowest. You can read more details about their analysis in the accompanying article.
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A color-coded map featured in an article by the Washington Post, shows annual per capita smoking rates by country. Serbia, Russia, and other countries in Eastern Europe, are the heaviest smokers, with an average consumption of 2,000 cigarettes per person per year. These countries are followed by Japan and South Korea, with China catching up. The U.S. and Canada are in the middle with an average consumption of 750 to 1,249 cigarettes per person per year. The healthiest countries tend to be poor countries located in Sub-Saharan Africa and in Southeast Asia, with an average consumption of up to 250 cigarettes per person per year.
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During the last fifty years, we have seen the gradual increase in life expectancy and the corresponding decrease in fertility rates worldwide. This is clearly the case of countries like China, India, the United States, Brazil, Japan, and Gabon, where dramatic improvements can be seen. On the other hand, countries like Russia, South Africa and Afghanistan, show moderate improvement.
It is very interesting to note, that although they have improved, a large cluster of African countries remain far from the overall trend, with lower life expectancy rates and higher fertility rates. For more information, check Google’s interactive bubble chart based on World Bank data.