The world health organization constantly keeps statistics on the health of the inhabitants of the planet, mortality, morbidity and demographic trends. On the eve of the organization published on its website a list of countries by life expectancy.
So, the first place today is Iceland, the average life expectancy in this country is 81 years. Next are Sweden, Austria and Israel.
Interestingly, in Japan centenarians mostly women. The average length of life they live is 87 years old. Similar trend is observed in Switzerland, Spain and Singapore.
Least of all living citizens of Somalia and South Africa. Generally, in most African countries, life expectancy is rarely more than 55 years.