Papua New Guinea is approximately 462,840 sq km, while United States is approximately 9,833,517 sq km, making United States 2,025% larger than Papua New Guinea. Meanwhile, the population of Papua New Guinea is ~7.3 million people (325.4 million more people live in United States).
This to-scale map shows a size comparison of Papua New Guinea compared to United States. For more details, see an in-depth quality of life comparison of United States vs. Papua New Guinea using our country comparison tool.