Country size comparison
compared to
Namibia is about 47 times bigger than Swaziland.
Swaziland is approximately 17,364 sq km, while Namibia is approximately 824,292 sq km, making Namibia 4,647% larger than Swaziland. Meanwhile, the population of Swaziland is ~1.1 million people (1.6 million more people live in Namibia).
Compare further: Namibia vs. Swaziland