The richest countries in the world are United States ($18.62 Tn), China ($11.22 Tn) ,Japan ($4.94 Tn), Germany ($3.48 Tn) ,United Kingdom ($2.65 Tn) ,France ($2.47 Tn), India ($2.26 Tn) ,Italy ($1.86 Tn) ,Brazil ($1.80 Tn) , and Canada ($1.53 Tn);because their national net wealth is the biggest .