There are a few ways to earn $400 million in today’s world. You can win the lottery jackpot, or come up with the next big smart phone app. These are relatively established “get rich” schemes. How about earning millions by rejecting customers? In 2015, the U.S. State Department earned over $400 million from non-immigrant visa applications that ended up being rejected. What do the visa refusal rates for countries around the world look like? How have visa refusal rates changed over time? What is the total revenue the U.S. draws from refused visa applications?