Antigua and Barbuda is about 1,142 times smaller than Spain.

Spain is approximately 505,370 sq km, while Antigua and Barbuda is approximately 443 sq km, making Antigua and Barbuda 0.09% the size of Spain. Meanwhile, the population of Spain is ~49.4 million people (49.3 million fewer people live in Antigua and Barbuda).
Tip: This to-scale comparison of Spain vs. Antigua and Barbuda uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.