Here are five facts about online dating: Online dating has lost much of its stigma, and a majority of Americans now say online dating is a good way to meet people.When we first studied online dating habits in 2005, most Americans had little exposure to online dating or to the people who used it, and they tended to view it as a subpar way of meeting people.

The most common STI/STDs in the US are Gonorrhea, Chlamydia, Hepatitis B, Genital Herpes, HIV, Syphilis, Trichomoniasis and Human Papillomavirus (HPV).

The infections that occur each year cost about $16 billion in treatment.

Two thirds of online daters—66%—tell us that they have gone on a date with someone they met through a dating site or dating app.

That is a substantial increase from the 43% of online daters who had actually progressed to the date stage when we first asked this question in 2005.

Online dating use among 55- to 64-year-olds has also risen substantially since the last Pew Research Center survey on the topic.

Today, 12% of 55- to 64-year-olds report ever using an online dating site or mobile dating app versus only 6% in 2013.

Despite the wealth of digital tools that allow people to search for potential partners, and even as one-in-ten Americans are now using one of the many online dating platforms, the vast majority of relationships still begin offline.

Even among Americans who have been with their spouse or partner for five years or less, fully 88% say that they met their partner offline–without the help of a dating site.

But it still means that one-third of online daters have not yet met up in real life with someone they initially found on an online dating site.