Colorado is around the same size as Burkina Faso.

Burkina Faso is approximately 274,200 sq km, while Colorado is approximately 268,627 sq km, making Colorado 97.97% the size of Burkina Faso. Meanwhile, the population of Burkina Faso is ~21.9 million people (16.9 million fewer people live in Colorado).
Tip: This to-scale comparison of Burkina Faso vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles.