Dating apps reshaped how people meet. A few flicks of the thumb and you're talking to someone across town, or across the country. Tinder led the charge, racking up billions of swipes a day at its peak. The obvious question: has all that connecting also pushed up Canada's STD rates?
Tinder doesn't publish stats on hookups, let alone who got what from whom, but we can pull together public data to make a reasonable inference. We'll focus on people under 30, since they're both the heaviest app users (60% of Tinder users are under 35) and the most affected by STIs.
The rise of Tinder
Tinder launched in 2012, but really hit mainstream adoption in 2014. Here are the rates of the three most common STIs in Canada, as reported by the Public Health Agency of Canada.
[Embedded image: STI rates Canada 2010 to 2019]
Rates clearly start climbing around 2014. Looks open-and-shut, right? Not quite. Correlation isn't causation, and a few other things could be driving this.
The simple explanation is that people are sleeping with more partners. But the same numbers can show up if people are sleeping with the same number of partners while being less consistent with condoms. Or if STI testing and surveillance got better, catching infections that used to go undetected.
Tinder probably hasn't changed condom habits or how Public Health Agency of Canada counts cases. So the real question is whether people are actually having more partners.
But aren't 30% of young men virgins now?
You've probably seen the chart: the share of young men who are virgins jumped from 8% in 2008 to 27% in 2018.
[Embedded image: Male Virginity on the Rise]
So which story is right? Are young people having less sex, or have Tinder, Grindr, and Bumble fueled a hookup boom? Look closer at the data and that 27% headline gets less impressive. The increase is almost entirely driven by 18 to 20-year-olds, who are simply starting later. Past age 25, the proportion of men who are still virgins has stayed pretty flat, below 10%. DatePsych has a thorough breakdown if you want the full analysis.
[Embedded image: Male Virginity by Age]
What about people who are sexually active? Chlamydia rose fastest among 15 to 19-year-olds, so the campus crowd is a good place to look, specifically Greek life, which Tinder targeted heavily when it was launching.
Tinder and Greek life
A study of over a million American college students from 2012 to 2016 found that after Tinder showed up, Greek-affiliated students reported a 6.3% increase in number of sex partners. Sounds big. But the same study found Tinder only raised reported STDs and unplanned pregnancies by 0.2%.
Even in a group where you'd expect Tinder to have outsized effects, the impact on STD rates was tiny. That makes sense: campuses are already small, dense social worlds, and students mostly hook up with people they'd have met anyway. The dating pool stays largely local.
Connecting separate social networks
What about people who aren't in college anymore? Looking at General Social Survey data from 2021, 88% of respondents had either no sexual partners or just one partner in the entire year.
[Embedded image: Sexual Partners 2021 Age 26-30]
So contrary to the cultural narrative, Tinder doesn't seem to have changed the average number of sexual partners much. What it has done is connect social circles that wouldn't have crossed paths before, letting people hook up well outside their immediate networks.
[Embedded image: Disparate Social Circles]
So, did Tinder do it?
Online dating reshaped how people meet, and Tinder is the most visible part of that shift. Its rise overlaps neatly with the climb in chlamydia and gonorrhea rates, but the data tell a more interesting story than "swiping caused this."
Most people, even in 2021, report few sexual partners. The groups where Tinder has measurably increased partner counts (like Greek-affiliated college students) showed almost no corresponding bump in STDs. The average person isn't sleeping with more people because of Tinder.
What does seem to matter is the mixing of previously separate social networks, alongside inconsistent condom use and better surveillance picking up infections that used to be missed. Tinder isn't the cause, but it's one ingredient in a more complicated picture.