How big of a deal is the trade squabble between the United States and China? Over the past 20 years, the global Gross Domestic Product has risen from $32 trillion to over $86 trillion, which is a 5% compounded annual rate (CAGR). During this timeframe, China’s GDP grew from $1.1 trillion to $13.6 trillion. The U.S. leads the world in GDP output at $21 trillion. China’s GDP has increased by CAGR of 13%, compared to the U.S. at 4%. The total population for the U.S. is approximately 329 million; China’s population is 1.4 billion, ranking #1 in the world, according to World Meters.