Life Expectancy at birth is the expected life of a human being at the time of his/her birth in a particular country at a specific time keeping in view the prevailing socio-economic and health facilities/indicators of the country. It is a relative measure of longevity of the population of different countries. It is an essential component of the Human Development Index (HDI), a composite measure of human development that evaluates economic development as well as improvements in human well-being. It is a composite statistic – of life expectancy at birth, education and income indices – used to rank countries with regard to human development. It is published annually by the United Nations Development Programme (UNDP).
Out of the nineteen individual countries of G-20 group; eight countries had life expectancy at birth of above 80 years in the year 2014. These eight countries are as follows: Japan, Italy, Australia, France, Canada, Republic of Korea, Germany and United Kingdom. Japan had the highest life expectancy at birth of 83.5 years amongst the G-20 group.
Out of the nineteen individual countries of G-20 group; nine countries had life expectancy at birth in the range of 70 years to 80 years in the year 2014. These nine countries are as follows: United States, Mexico, Argentina, China, Turkey, Brazil, Saudi Arabia, India and Russian Federation.
Only two countries – viz. Indonesia and South Africa – had life expectancy at birth of below 70 years in the year 2014 out of the nineteen individual countries of G-20 group.
The life expectancy at birth for the world as a whole was 71.5 years in the year 2014. The life expectancy at birth for India was 71.5 years in the year 2014, which was just equivalent to the world average life expectancy at birth.
Note: (a) Adolescent Fertility Rate Data are annual average of projected values for 2010-2015; (b) Mean Years of Schooling Data for the year 2012 refers to 2012 or most recent year available; (c) Data on Population with at least some Secondary Education (% age 25 and Older) for the years 2005-12 refers to most recent available during the specified period; Source: Human Development Report 2015, UNDP and also published in statistical year book 2016 by MOSPI.