Spanish is one of the most widely spoken world languages. About 400 million people speak Spanish as their first language. It is the official language in over 20 countries. It dominates South and Central America, is the language of Mexico and of course Spain. Tens of millions of people in the US speak Spanish, read Spanish newspapers and watch TV in Spanish.
The great news about Spanish is that it is one of the easiest languages for an English speaker to learn. A lot of Spanish words are very similar to their English counterparts because of common Latin roots. Just go to any Spanish - language website and you will immediately recognize many words and will probably even understand a couple of Spanish phrases without taking a single lesson.
Spanish is a Romance language. Italian, Portuguese, and French also belong to this group; therefore even basic knowledge of Spanish can give you a strong head start in learning these popular languages in the future. Of course, if you already know another Romance language, it can be helpful in mastering Spanish.