Facts matter: Sign up for the free Mother Jones Daily newsletter. Support our nonprofit reporting. Subscribe to our print magazine.


Sarah Kliff reports today that the teen birthrate has plummeted over the past decade. That’s not news. The interesting question is why the teen birthrate has plummeted, and a new paper in the Journal of Adolescent Health says the reason is better access to contraceptives. That sounds reasonable, but Kliff backs up this idea with the following chart, taken from data in the paper:

This is a problem. Contraception use dropped slightly between 2009 and 2012. Sexual activity stayed about the same. And yet teen pregnancies declined by an astounding 20 percent over the same period. This does not fit with the notion that contraception is key.

Plus there’s longer term data. The chart below shows the teen pregnancy rate since 1990. It dropped steadily from 1992 to 2006, despite virtually no change in contraceptive use. I’ve subbed in contraceptive use from the new paper for 2007-12 (dashed line), and it doesn’t really seem to correlate with teen pregnancy rates either:

So count me skeptical about the contraception theory. Teen pregnancy has been dropping for 25 years, and any explanation needs to account for this. But what could it be?

THE TRUTH...

is the first thing despots go after. An unwavering commitment to it is probably what draws you to Mother Jones' journalism. And as we're seeing in the US and the world around, authoritarians seek to poison the discourse and the way we relate to each other because they can't stand people coming together around a shared sense of the truth—it's a huge threat to them.

Which is also a pretty great way to describe Mother Jones' mission: People coming together around the truth to hold power accountable.

And right now, we need to raise about $400,000 from our online readers over the next two months to hit our annual goal and make good on that mission. Read more about the information war we find ourselves in and how people-powered, independent reporting can and must rise to the challenge—and please support our team's truth-telling journalism with a donation if you can right now.

payment methods

THE TRUTH...

is the first thing despots go after. An unwavering commitment to it is probably what draws you to Mother Jones' journalism. And as we're seeing in the US and the world around, authoritarians seek to poison the discourse and the way we relate to each other because they can't stand people coming together around a shared sense of the truth—it's a huge threat to them.

Which is also a pretty great way to describe Mother Jones' mission: People coming together around the truth to hold power accountable.

And right now, we need to raise about $400,000 from our online readers over the next two months to hit our annual goal and make good on that mission. Read more about the information war we find ourselves in and how people-powered, independent reporting can and must rise to the challenge—and please support our team's truth-telling journalism with a donation if you can right now.

payment methods

We Recommend

Latest

Sign up for our free newsletter

Subscribe to the Mother Jones Daily to have our top stories delivered directly to your inbox.

Get our award-winning magazine

Save big on a full year of investigations, ideas, and insights.

Subscribe

Support our journalism

Help Mother Jones' reporters dig deep with a tax-deductible donation.

Donate