India has been ranked 43rd among 43 nations in the 2017 Global Retirement Index (GRI). The list is topped by Norway, followed by Switzerland, Iceland and Sweden. The multi-dimensional index is compiled by Natixis Global Asset Management with support from CoreData Research, a U.K.-based financial research firm. The index ranks 43 countries on the basis of four factors viz. material well-being, health, finances and quality of life. The purpose of the index is to provide a global benchmark for retirees and future retirees so that they can evaluate and compare the suitability of various nations, and plan their retirement according to their expectations and needs.