Is learning Spanish worth it?

For most people, yes. Spanish has around 500 million native speakers, it's one of the easier languages for English speakers to learn, and it's useful in a huge number of places: travel, work, family, music, shows and books. Whether it's worth it for you comes down to whether you have a reason to use it.

The case for it

There are practical reasons, and I think they're strong:

Reach. Spanish is spoken across Spain, Mexico, most of Central and South America, and large communities in the US. It's one of the most widely spoken languages in the world.
Easier than most. The US Foreign Service Institute puts it in its easiest category for English speakers. You'll see progress sooner than with many other languages.
Lots of content. Shows, music, podcasts, books, YouTube. You won't run out of material.
Real-life use. If you live in the US or travel, you'll meet Spanish speakers regularly. Even basic Spanish changes those interactions.

For the career angle, see does Spanish help your career.

The case against (honestly)

It isn't free, and I'd rather say so:

It takes hundreds of hours to get comfortable. If you only want a few phrases for a trip, you don't need to commit to a big project.
If you have no one to speak with and no content you enjoy, motivation can fade.
Some people would get more value from a different language, if that's where their family, job or interests are.

So "worth it" depends on what you want out of it and whether you'll actually stick with it.

If content you enjoy is the missing piece, short stories are a low-effort start. Langtok, the app I built, is one: swipe through Spanish stories like short videos and tap any word you don't know.

Non-practical reasons

A lot of people learn Spanish for reasons that don't show up on a resume:

Connecting with a partner's family or your own heritage
Understanding your favorite music or a show without subtitles
Getting to talk to people you'd otherwise only smile at
The satisfaction of learning something hard

These are real, and they're often what keeps people going. The practical benefits are nice, but a personal reason tends to work better as fuel.

What about the brain stuff?

You'll hear that learning a language is good for your brain. There's some research suggesting benefits, but the claims are often overstated. I'd treat it as a possible bonus, not the reason. There's a more careful look in does learning a language keep your brain sharp.

When it's probably not worth it

If you don't have a reason, you probably won't stick with it, and that's okay. Learning a language for the sake of "I should" is the fastest way to quit in month two. Wait until you have something concrete pulling you.

So should you?

My take: if you have a reason, even a small one, then yes. The hours add up, the early progress is quick, and the day you understand a full conversation is hard to describe. Start with 15 minutes a day and see how it feels after a month. If you want to know what you're signing up for, check how long it takes to learn Spanish.