Emily Oster

2 min Read Emily Oster

Emily Oster

The Most Useful Language for English Speakers to Learn, According to an Economist

From Quartz: What is the most useful language to learn?

Emily Oster

2 min Read

Dear Emily,

I’m gearing up for my freshman year of college, and I’m trying to decide which language to study. I’d like to pick the language that will be most useful and practical in the years ahead. If you had to pick just one, which would you recommend?

-Freshman

Dear Freshman,

As someone who took six years of Latin, I am not sure I am the best source for information on what language will be useful and practical, but I’ll give it a try.

First, let me say I don’t think you are thinking about this quite the right way. You asked me about what language would be most useful. This suggests you’re thinking about only one side of the choice: the benefit side. Making the optimal choice requires thinking about both benefits and costs. In this case, I’d argue there may be very different costs to acquiring proficiency in different languages. It is a lot harder for most English-speakers to learn Japanese than to learn Spanish.

But let’s start with the benefits. The benefits of a new language arise from the new people you can interact with in your new language. If maximizing this was your only goal, Mandarin would be the best choice: This is the native language for 14% of the world’s population, and most of those people do not speak English, so it’s all a win.

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