Happy Life Years (HLY) is a measure of is how long and happy the average citizen of a country lives.
Computation: HLY = 0-1 m * life, where: m is mean happiness and life is life expectancy at birth
This concept is discussed in Veenhoven, R. Happy life-expectancy. A comprehensive measure of quality-of-life in nations Social Indicators Research, 1996, vol. 39, pp. 1-58

Variable	Description	Code	Nation	Since	Source Trend average happiness in nations Trend life expectancy in nations
Happy Life Years	Computed from ls4_be and life_be	hly_be	Belgium	1973
	Computed from ls4_de and life_de	hly_de	Germany (re-united)	1991
	Computed from ls4_dee and life_dee	hly_dee	Germany (former East)	1990
	Computed from ls4_dew and life_dew	hly_dew	Germany (former West)	1973
	Computed from ls4_dk and life_dk	hly_dk	Denmark	1973
	Computed from ls4_eu8 and life_eu8	hly_eu9*	EU-9	1973
	Computed from ls4_fr and life_fr	hly_fr	France	1973
	Computed from ls4_gr and life_gr	hly_gr	Greece	1981
	Computed from ls4_ie and life_ie	hly_ie	Ireland	1973
	Computed from ls4_it and life_it	hly_it	Italy	1973
	Computed from ls45_jp and life_jp	hly_jp	Japan	1958
	Computed from ls4_lu and life_lu	hly_lu	Luxemburg	1973
	Computed from ls4_nl and life_nl	hly_nl	Netherlands	1973
	Computed from ls4_pt and life_pt	hly_pt	Portugal	1985
	Computed from ls4_sp and life_sp	hly_sp	Spain	1985
	Computed from ls4_uk and life_uk	hly_uk	UK (Great Britain)	1973
	Computed from mix_us and life_us	hly_us	USA	1948

*  Weighted average: EU-9 (2015) = Belgium x 0.036 + Denmark x 0,018 + France x 0,213 + West-Gernamy x 0,260 + Ireland x 0,015 + Italy x 0,195 + Luxemburg x 0,002 + Netherlands x 0,054 + UK x 0,208

Same variable in data file ‘States of Nations’ Happy Life Years