GDP per household = GDP per capita * number of persons per household.

(Median values are used):

US (US$): degree of socialism (2010) = 4*47000/53000 = 3.55

China (RMB): degree of socialism (2010) = 3.7*21000/62000 = 1.25

Taiwan (NT$): degree of socialism (2010) = 4.2*540000/970000 = 2.34

Hong Kong (HK$): degree of socialism (2009) 2.9*226000/368400 = 1.78

Singapore (Sg$): 3.8*31000/90000 = 1.31.