Table 1.

Average social natural-distances measured in meters (m) for different countries of origin.

Type of social natural-distance	Distance interval (m)	Country of origin
Small	[0; 1)	Italy–Argentina–Bulgaria–Greece
		Ukraine–Russia–Slovakia–Austria
		Serbia–Peru–Spain
Medium	[1; 1.2]	USA–Germany–Indonesia–Estonia
		England–Poland–Canada–Norway
		China–Brazil–Nigeria–South Korea
		India–Switzerland–Kenya–Portugal
		Czech Republic–Malaysia–Iran
		Pakistan–Croatia–Mexico–Ghana
		Hong Kong
Large	$(1.2;\infty )$	Uganda–Hungary–Saudi Arabia
		Romania–Turkey

(Information was obtained from the article by Sorokowska et al.¹⁹).