In Japan, “everyone is taken” is mostly an illusion: among unmarried 20–24-year-olds, 23.3% of men and 30.7% of women had a romantic partner or fiancé
Twenty-three can feel like the age when everyone suddenly seems coupled up.
You see couples outside. Friends mention partners. Social media displays anniversaries, trips, and birthday dinners.
Then the brain quietly concludes:
“Wait, does everyone at 23 already have a boyfriend or girlfriend?”
No.
Japan’s latest national fertility survey does not publish a figure for age 23 alone, but it does publish data for unmarried people aged 20–24. In 2025, 23.3% of men and 30.7% of women in that group reported having an opposite-sex romantic partner or fiancé.[1]
That means having a current partner was not the majority position.
Couples are simply easier to notice. Two people appear together. A single person walking alone does not have a floating sign that says “currently available.”
The user interface of real life is terrible.
1. There is no nationwide “age 23 only” figure
The official Japanese survey groups people into age bands: 18–19, 20–24, 25–29, and 30–34.[1]
So the closest national comparison for a 23-year-old is the 20–24 group.
Among unmarried 20–24-year-olds in 2025:
- Men with a romantic partner or fiancé: 23.3%
- Women with a romantic partner or fiancé: 30.7%
So the idea that “basically every woman has a boyfriend” or “everyone my age is already dating” is not supported by the national data.
The majority did not report a current romantic partner or fiancé.
2. “Single now” is not the same as “never dated”
This distinction changes the picture.
In the same survey, the share of unmarried 20–24-year-olds who had ever had an opposite-sex romantic relationship was:
- Men: 58.8%
- Women: 60.0%[1]
So current-partner rates are around one quarter to three in ten, while roughly six in ten have some previous dating experience.
A large group therefore fits a very ordinary category:
Dated before. Single now.
A relationship may have ended at school, after graduation, after moving, after starting work, or simply because the relationship did not work out.
Current status is not a complete dating biography.
3. Does everyone without a partner want one?
Also no.
The survey asks people with no opposite-sex friend, romantic partner, or fiancé whether they want an opposite-sex relationship.[1]
Among all unmarried 20–24-year-olds:
Men
- No such partner: 70.6%
- No partner and wants a relationship: 28.7%
- No partner and does not particularly want a relationship: 36.0%
Women
- No such partner: 63.6%
- No partner and wants a relationship: 24.7%
- No partner and does not particularly want a relationship: 33.8%
So:
Single does not automatically mean “looking.”
But it also does not mean “not interested in romance.”
Both groups are large.
Unfortunately, humans still refuse to wear a status badge saying “open to dating: yes/no.”
4. “I want to marry someday” is not “I want to marry right now”
Among unmarried 20–24-year-olds in 2025, the share saying they intended to marry eventually was:
- Men: 79.7%
- Women: 81.0%[1]
That sounds high, but it is a long-term intention.
The same official summary notes that among people aged 24 or younger, “I want to enjoy hobbies and leisure for now” became slightly more common as a reason for remaining unmarried.[1]
These ideas can comfortably coexist:
Maybe I want marriage someday.
Maybe I would like a partner.
I am not in a hurry.
Also, work has destroyed me this week.
Future plans and today’s energy level are separate variables.
5. At 23, work can swallow the whole week
For many university graduates in Japan, 22–23 is also the beginning of full-time working life.
New workplace. New commute. New rules. New names to remember. New tasks. A completely redesigned weekday.
Some people are not “canceling romance.” Their job simply canceled their remaining battery.
Monday to Friday drains the device. Saturday is charging. Sunday evening begins the next low-battery warning.
So being single at 23 does not automatically tell you whether someone is attractive, interested in dating, serious about marriage, or none of the above.
Sometimes the answer is simply:
Work. Ugh.
6. The hard part is asking
Statistics can tell you that many 23-year-olds are single.
They cannot tell you whether the person in front of you is.
And this sequence can quickly turn into a job interview:
“Are you seeing anyone?”
“No.”
“Do you want a partner?”
“Do you want to get married?”
If dating comes up naturally, one light question such as “Are you seeing anyone?” is usually enough.
If the person looks uncomfortable, stop there.
Do not automatically translate “single” into “available and recruiting.”
The survey itself shows why.
7. Being single at 23 is not “falling behind”
The latest Japanese data simply do not support that story.
Among unmarried 20–24-year-olds, current romantic partners or fiancés were reported by 23.3% of men and 30.7% of women.[1]
At the same time, around six in ten had previous opposite-sex dating experience.
So people in the same age group can be:
- currently dating
- previously dated but single now
- never dated but wants to
- never dated and does not particularly want to
- interested in marriage someday but not now
- too busy adjusting to work to care this month
There is no single race everyone is running.
At 23, people are not even playing the same game.
8. Bottom line
The shortest answer is:
Among unmarried Japanese people aged 20–24 in 2025, 23.3% of men and 30.7% of women had an opposite-sex romantic partner or fiancé.
And:
58.8% of men and 60.0% of women had previously had an opposite-sex romantic relationship.
So “single now” is not “never dated,” and “single” is not automatically “looking.”
Around eight in ten in this age group still said they intended to marry someday, but “someday” is doing a lot of work.
At 23, having a partner is normal.
Not having one is also normal.
And for a first-year worker, “I have no energy left after work” may be the most normal line of all.
Data limitations
- The survey does not publish age 23 alone; this article uses the 20–24 age band.
- The figures discussed here cover unmarried respondents.
- The main relationship-status questions refer to opposite-sex relationships, so they do not represent every form of romantic relationship.
- The survey was conducted in June 2025 and the results were published on September 11, 2026.
Sources
https://www.ipss.go.jp/ps-doukou/j/doukou17/JNFS17gaiyo.pdf
https://www.ipss.go.jp/ps-doukou/j/db_17/db_17GaiyoBaseData.html
References (2)
- National Institute of Population and Social Security Research, The 17th Japanese National Fertility Survey, 2025: Summary of the Survey Results
- National Institute of Population and Social Security Research, graph data for the 17th Japanese National Fertility Survey
