In my research on the crop that feeds the most people per acre, I found that it's actually rice. This staple food, particularly in Asia, can support a substantial number of people thanks to its high yield per acre. Interestingly, potatoes also come in a close second, providing significant sustenance per acre. Other crops, including wheat and corn, feed less people per acre compared to rice and potatoes. So, if we're looking at sheer numbers, rice takes the crown in feeding the most people per acre.