Country size comparison
compared to
Nigeria is about 1.6 times bigger than Botswana.
Botswana is approximately 581,730 sq km, while Nigeria is approximately 923,768 sq km, making Nigeria 59% larger than Botswana. Meanwhile, the population of Botswana is ~2.4 million people (222.7 million more people live in Nigeria).
Compare further: Nigeria vs. Botswana