When Americans Had Intercourse with Opposite Sex for the First Time

The National Survey of Family Growth, run by the Centers for Disease Control and Prevention, asks participants about their birth and relationship history.

AMONG THOSE WHO HAD INTERCOURSE

WHEN PEOPLE LOST VIRGINITY WITH OPPOSITE SEX

BASED ON ESTIMATES FROM THE NATIONAL SURVEY OF FAMILY GROWTH

CUMULATIVE

100%

80%

60%

40%

20%

0%

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

YEARS OLD

SOURCE: Centers for Disease Control and Prevention, NSFG 2013-2015

AMONG THOSE WHO HAD INTERCOURSE

WHEN PEOPLE LOST VIRGINITY

WITH OPPOSITE SEX

BASED ON ESTIMATES FROM THE

NATIONAL SURVEY OF

FAMILY GROWTH

CUMULATIVE

100%

80%

60%

40%

20%

0%

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

YEARS OLD

SOURCE: Centers for Disease Control and Prevention, NSFG 2013-2015

I expected a high percentage of people to lose their virginity during their teenage years, but I didn’t expect it to rise that quickly. Maybe I was sheltered.

The cumulative percentages are based on survey results from the 2013-2015 National Survey for Family Growth. There have been two more data releases since, but more data is obscured each year to non-researchers. While I suspect some change, I’d bet it’s not that much.

Become a member. Support an independent site. Make great charts.

Join Now

Learn to Visualize Data See All →

How to Make Bubble Charts

Ever since Hans Rosling presented a motion chart to tell his story of the wealth and health of nations, there has been an affinity for proportional bubbles on an x-y axis. This tutorial is for the static version of the motion chart: the bubble chart.

How to Make a US County Thematic Map Using Free Tools

There are about a million ways to make a choropleth map. The problem is that a lot of solutions require expensive software or have a high learning curve. It doesn’t have to be that way.

A Course for Visualizing Time Series Data in R

Learn to visualize temporal patterns in a couple of days.

How I Made That: Animated Square Pie Chart

Also known as waffle charts. Using animated transitions between values, you can allow for comparisons between categories.