Germany ranked 20th in the world in life expectancy in 2014 with 76.5 years for men and 82.1 years for women. It had a very low infant mortality rate (4.3 per 1,000 live births), and it was eighth place in the number of practicing physicians, at per 1,000 people (3.3). According to a 2013 micro-census survey, 24.5% of the German population aged 15+ are smokers (29 percent in men, 20 percent in women). Among the 18- to 25-year-old age group, 35.2% are smokers. In 2015 it was estimated that 11.52% of the population has diabetes, costing about $4,943 per person per year.