63.88%
566 of 886 · men 46.80%, 2,255 of 4,818
Women's fights reach the judges far more often than men's. That is the thing everybody has noticed, and it is true.
Women's divisions · 2015 onwards · UFC only
The knockoutgoes missing
Angela Hill has lost sixteen fights in the UFC. Nobody has ever knocked her out. There are four ways a fight can end; we tested them one at a time, against men of the same weight. Three came back level. The fourth does not arrive.
The question
Can women finish fights, or are they always destined to go to the judges?
The received wisdom
Women are naturally smaller and less powerful than the men, so their ability to finish fights is always going to be diminished compared to the men.
TLDR; Quick Facts
19.08%
100 of 524 · men 17.90%, 294 of 1,642
But they submit opponents at the same rate as men of the same weight. Interval −2.66 to +5.02 — no difference at all.
7.25%
38 of 524 · men 6.15%, 101 of 1,642
And they stop opponents with ground strikes at the same rate. Interval −1.41 to +3.61. The mat is the same in both sports.
8.40%
44 of 524 · men 17.48%, 287 of 1,642
Here is the one that moves: finished by a clean strike at distance. Less than half the men's rate, interval −12.08 to −6.08.
8.76% — 13.48%
women's highest — men's lowest
It is every division at once. The highest standing-knockout rate in the women's game sits below the lowest in the men's. The two never overlap.
−9.92 pts
against −9.08 weight-controlled
And it is not size. Adding strawweight, the lightest division in the sport, makes the gap bigger rather than smaller.
In short
One ending is missing, and only one. Everything that happens on the floor is the same in both sports — the submissions, the ground stoppages, the rate per minute of cage time. What does not come is the clean shot at range, and its absence is the whole of the difference in how often these fights reach a scorecard.
Four ways a fight can end
Women are level with the men, except in one big place
A fight can end four ways, and the honest way to ask whether women finish less often is to ask it four times rather than once. Everything below compares women against men at the same weight — flyweight, bantamweight and featherweight, the three divisions the two sports share. 524 women's fights against 1,642 men's, all of them since 2015.
Three of the four rows are a dead heat. The fourth is not close, and it is large enough on its own to account for the entire difference in how often these fights reach a scorecard.
Each comparison below carries an interval — the range the real difference could plausibly sit in, given how many fights we have. When that range includes zero, the honest reading is that nothing separates the two.
Finished by ground strikes
No differenceWomen are marginally ahead here. Interval −1.41 to +3.61 — it contains zero, so this is a match, not a lead.
Won by submission
No differenceThis was the question we set out to answer, and the answer is a null. Interval −2.66 to +5.02. Where those submissions land is a different matter, and a different story.
Finished by a strike at distance
The gap · −9.08 ptsMen are knocked out standing more than twice as often. Interval on the difference −12.08 to −6.08 points — nowhere near zero.
Knocked out, by any means
Almost all of it is the row aboveThe total knockout gap is −9.21 points. The strike at distance alone is −9.08 of it. Everything else on that list — the clinch, the ground, the doctor — cancels out.
That is the finding, and it is narrower than the headline anyone expects. It is not that women finish less. On the mat the two sports are indistinguishable, twice over: the submission rates match and the ground-strike rates match, and both intervals sit across zero rather than near it.
Forty-four of those 524 women’s fights ended with a clean strike at distance — about one in twelve. On the men’s side it is nearer one in six.
What does not happen is the clean shot at range — the one that lands on a fighter who is standing free, with nothing holding them up and nothing to fall into.
From 115 pounds to 265
The men's curve climbs. The women's is flat.
Weight is the obvious objection, and the right way to meet it is to look at the whole range rather than argue about the average. In the men's divisions the standing knockout gets steadily more common as the fighters get heavier: from 13.5% of flyweight fights to 26.5% at light heavyweight, a spread of thirteen points.
The women's game covers four divisions and thirty pounds, and does not climb at all. It moves 2.4 points end to end, and the highest point on it sits below the lowest point on the men's.
Men's divisions, 125 to 265 Women's divisions, 115 to 145 Share of all fights in the division ending by a strike at distance, 2015 onwards
Set the three shared divisions against each other one at a time and the gap is in all of them. It is not one division dragging an average around.
125 · Flyweight
−5.18 pts [−9.99, −0.37]
women 8.30% (23 of 277) · men 13.48% (48 of 356)
135 · Bantamweight
−8.72 pts [−13.53, −3.91]
women 8.76% (19 of 217) · men 17.48% (108 of 618)
145 · Featherweight
−12.94 pts [−22.36, −3.52]
women 6.67% (2 of 30) · men 19.61% (131 of 668) · thirty fights, hence the wide interval
Women's featherweight has existed for thirty fights. Two of them ended with a strike at distance, and an interval running from −22.4 to −3.5 points is the honest way to say that we can tell the direction and not much else. Flyweight and bantamweight are the divisions carrying this, and both clear zero on their own.
The size objection, and the division that kills it
The smallest fighters are the least likely to be knocked out
Women fight only at the light end of the sport, so anything that varies with weight can impersonate a difference between the sexes. This site has been caught by exactly that before: reach looked like it worked differently for women until it was set against men of comparable size, at which point the difference vanished entirely.
So here is the test that could kill this one. Strawweight is the lightest division in the sport and it has no men's equivalent. If the missing knockout is really about size, then adding strawweight — 362 more fights of the smallest fighters there are — should pull the women's rate toward the men's lightest.
−9.92points, with strawweight in
It goes the other way. Every women's division against the men's three lightest is 7.56% versus 17.48% — a gap of 9.92 points, interval −12.45 to −7.39. Restricted to the three shared divisions it is 9.08 points. Adding the smallest fighters in the sport makes the gap bigger, not smaller, because the lightest women are the least likely of anyone to be knocked out standing.
And the narrowest version of the comparison survives too. Set all 886 women's fights against men's flyweight alone — the single lightest division men have, 356 fights at 13.48% — and the gap is still 5.92 points, interval −9.87 to −1.97.
Which leaves the cleanest sentence this data can support: every women's division sits below the men's lightest. The highest standing-knockout rate anywhere in the women's game is bantamweight at 8.76%. The lowest anywhere in the men's is flyweight at 13.48%. The two distributions do not overlap at any point.
One caution, and it is the honest limit of this page. The data can say what is missing. It cannot say why. Nothing here measures how often a clean shot lands, how hard it lands, or what happens after it does — only how often a fight ends that way. Any explanation you reach for next is yours, not ours.
And it has been that way from the first bell.
Las Vegas, April 2013
The first one was a knee in the clinch
The women's record in the UFC opens on 23 February 2013, when Ronda Rousey takes Liz Carmouche's arm at UFC 157. The first knockout arrives seven weeks later, and it does not arrive at range.
Per fifteen minutes of cage time
The submission keeps pace. The knockout doesn’t.
A share of fights can be moved around by how long fights last. So here is the same question asked of the clock instead: per fifteen minutes of cage time, how often does each ending arrive?
Submissions per 15 minutes
Women
Men
Level. All divisions; restricted to the shared three it is 0.227 against 0.235, which is the same answer again.
Knockouts per 15 minutes
Women
Men
Two and a half times as often across all divisions. Weight-controlled it narrows to 0.218 against 0.361 — smaller, and still there.
Two fighters spend the same fifteen minutes in the same cage. One of those quarter-hours produces a submission about as often as the other. It produces a knockout less than half as often.
One career shows what that looks like laid end to end.
The fighter the record elects
Angela Hill has lost sixteen times and never been knocked out
Twenty-nine fights in the UFC — more than any other woman who has never been stopped by strikes. The next longest such career belongs to Valentina Shevchenko, and it is ten fights shorter.
She has lost sixteen of the twenty-nine. Ten of those were unanimous decisions and four were split decisions: fourteen times she has stood in the cage at the end of a fight and waited to hear it read out. Twice she has been submitted. Not once has anybody put her away with a punch.
She is not an outlier standing against the trend. She is the trend, stretched to a length where it becomes visible: a career of complete fights, decided by three people at a desk, in a division where the other ending mostly does not turn up.
14 decisions 2 submissions 0 knockouts — there is no mark for it
Men and women · four differences on one axis
How wrong we could be, drawn to scale
This whole page is a comparison of the men's and women's games, so the section that normally sits here has one job left: to be as loud about what did not differ as about what did. Both of these were tested at the same weight, on the same window, and both came back level.
Difference in percentage points · women minus men, same weight
Won by submission +1.18
No difference
Finished by ground strikes +1.10
No difference
Knocked out, any means −9.21
Clears zero
Finished by a strike at distance −9.08
Clears zero
← women lowerwomen higher →
Four differences, one axis. Two bars sit across the line and two do not, and the two that do not are the same finding counted twice — the strike at distance, and the knockout total it very nearly is. Women 524 fights, men 1,642, 2015 onwards.
Those two nulls are what make the third figure a finding rather than a headline. If women simply finished less, all three rows would sag together. They don't. Two are level and one is halved, which is a much more specific claim about a much more specific thing.
What this means for your training
Plan for the scorecards
Sixty-four per cent of women's fights are decided by three people at a desk. That is not a failure to prepare for; it is the base case, and preparing for it is a different job from preparing for a fight you expect to end.
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Train the fifteenth minute, not the first
In a division where the standing knockout ends fewer than one fight in eleven, the round you are most likely to be judged on is the one you are most tired in. Conditioning is not insurance here. It is the primary weapon.
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The mat is where the finish actually lives
Submissions and ground stoppages happen at the same rate as in the men's game — a combined 26.3% of fights. If you want to end one, the evidence says the floor is where it ends, and that is where the finishing work should go.
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Score the round you are in
A fighter waiting for one shot to change a fight is waiting on the least likely outcome available. Volume, position and control decide 63.9% of these fights. Bank the round; do not gamble it.
And the same in reverse for anyone matching these fights or reading a card: a women's bout at 115, 125 or 135 that is level after two rounds is far likelier to be settled on paper than in the cage. The knockout is not late in these divisions. It mostly does not come.