How does trillionaire Elon Musk's wealth compare to world's 10 largest economies?

Elon Musk became world's first trillionaire with SpaceX's listing on Nasdaq. Compared with the GDP of world's 10 largest economies, his $1 trillion fortune equals about 3.1% of US GDP, 4.8% of China, 18.4% of Germany, 22.7% of Japan, 23.5% of the UK, 24.1% of India, 27.8% of France, 37% of Russia, 37% of Italy and 38.5% of Brazil's GDP.