Burkina Faso is around the same size as Colorado.

Colorado is approximately 268,627 sq km, while Burkina Faso is approximately 274,200 sq km, making Burkina Faso 2% larger than Colorado. Meanwhile, the population of Colorado is ~5.0 million people (16.9 million more people live in Burkina Faso).
Tip: This to-scale comparison of Colorado vs. Burkina Faso uses the Mercator projection, which distorts the size of regions near the poles.