Exactly for that reason, I wish it was a median not average.
1. The USA gifts itself > $6 trillion in imputed values. Or about the GDP of Japan;
2. If China measured their GDP using the formula used by India, its economy would be significantly larger;
3. Nigeria overtook South Africa literally overnight by changing (amongst other things) the value of unpaid child care.
Its largely are ruse to make public debt look sustainable.