When pressure builds up, or tectonic plates shift, or where the crust is thin, volcanoes can erupt. There are 1,511 known volcanoes, 500 of which are active. Every now and then, a new one forms, as happened in 1943 in Paricutin, Mexico.
The average life expectancy for Japanese men is 80.5 years of age, while for women, life expectancy was calculated at 86.83 years of age, Fuji TV reported Friday.
1 Japan's population is equivalent to 1.75% of the total world population. 2  Japan ranks number 10 in the list of countries by population. 3  The population density in Japan is 336 people per Km2. 4  93% of the population is urban (117,995,650 people in 2014). 5  The median age in Japan is 46.2 years.