Caretaker Ratio
Caretaker ratio. Defined as the ratio of the aged population who may need care to caretaking females population.
CaretakerRatio(PM, PF)
PM |
The integer vector to give age-specific population from age 0 to more than 80 for males. |
PF |
The integer vector to give age-specific population from age 0 to more than 80 for females. |
CR |
Caretaker Ratio. |
Minato Nakazawa minato-nakazawa@umin.net http://minato.sip21c.org/
Preston SH, Heuveline P, Guillot M (2001) Demography: Measuring and Modeling Population Processes. Blackwell Publishing, Oxford.
Newell C (1988) Methods and Models in Demography. The Guilford Press, New York.
Rowland DT (2003) Demographic methods and concepts. Oxford Univ. Press, Oxford.
# Caretaker Ratio in Japan in 2015. The value 81.72 is much higher than # 46 observed in UK in 1990. CaretakerRatio(PM=Jpop$M2015, PF=Jpop$F2015)
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