title: The inequality of longevity.
authors.forename: R N
authors.initials: RN
authors.lastname: Butler
mesh_terms: D000368:Aged; D019049:Developed Countries; D003906:Developing Countries; D005544:Forecasting; D014943:Global Health; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D008017:Life Expectancy; D008136:Longevity; D008875:Middle Aged