Nobody outside Bumble can say. The company does not publish a breakdown of its members by age, so any article that names the biggest age group is passing along an estimate, a small survey or a hunch. The group that matters to you is the one in your own stack, and you can count it in a week.

Where the numbers online come from

You will see claims that one age band makes up most of Bumble. They usually trace back to a survey, a third-party estimate, or a single writer's impression. None of them is Bumble's own breakdown.

Bumble does publish some figures, such as paying users in its earnings release, and a monthly active user figure for the European Union. It reports no split by age. A site that gives you a tidy percentage for each age band is guessing, and you cannot check its guess.

Why the national picture is the wrong picture

Even if a reliable age chart existed, it would describe the whole user base. You do not date the whole user base. You see the women near you, who are on the app at the hours you open it, inside the filters you set.

A university town and a retirement area have very different mixes. A weekday afternoon and a Saturday night show you different women. And your own age range and distance setting reshape the stack further. The honest source is your own screen.

A one-week tally

Here is how to measure it.

Set your age range wide for the first three days, and your distance to what you would really travel. Each time you open the app, note the ages of the first twenty women you see. Do it across a weekday morning, an evening and a weekend afternoon.

Put the ages into a few bands, such as under 25, 25 to 29, 30 to 34 and 35 and over, and tally them. Then, beside each, mark how many you would genuinely write to. After a week you have a few hundred data points from your own city and your own hours, which is better than any survey.

Why your tally changes by hour and day

Morning, lunch and late evening show you different women, because people open the app at different times. A woman who commutes may only open it at 8 a.m., and a woman who works nights may open it at noon. Repeat the tally at three different times before you trust it, and write down the day.

A band that looks thin on a Tuesday morning may be full on a Saturday evening. Bumble publishes no activity chart, so looking is the only way to know.

What your tally tells you

If the band you want is common, the app fits you, and your results will depend on your photos and first lines. If it is thin, widen the range by a couple of years or the distance by a little, and look at the option that shows other people once you run out.

If a second look still shows few women in your range, try another app. a dating coach says each app has its own algorithm and its own crowd, and that a man can fail on one and do well on another. A different app may simply have more of the women you want near you.

Why the biggest group is not the best group

Even if you knew the biggest age band, it would not tell you where to aim. A crowded band is also the band where the most men are writing to the same women, so a first line that says "hey" gets lost.

What helps in any band is the same few things. A clear, recent lead photo in daylight. A line or two that sounds like you. A first message about one specific thing on her page, sent within a day, since the match expires after 72 hours.

What to do with your numbers

Keep the same photos and lines for two weeks, and count three things: matches, conversations that went past two messages and plans made. If the numbers are good in your preferred range, you have your answer, and you did not need a chart.