Here are the average attendances for each team in both divisions. INAC Kobe had the highest attendances, and each team had their largest attendance when INAC came to visit, with the exception of Niigata. Also, teams generally had a high attendance when they played outside of their normal home city.
The average attendance in the Nadeshiko League was 2,572. The highest attendance was 16,663 and the lowest was 276. There were sixteen games for which entry was free, the average attendance for those was 908.
INAC Kobe Leonessa averaged 6,300. Their highest attendance was 9,272 which was the game against Belle and was played in Kumamoto. Their lowest home attendance was 3,910 which was the match against Iga, that match was played in their usual home of Kobe.
NTV Beleza averaged 4,250 with their highest attendance being 16,663 which was the game against INAC Kobe in the National Stadium in Tokyo, and their lowest being 1,035 which was played against Takatsuki.
Okayama Yunogo Belle averaged 3,402 with their highest attendance being 4,942 which was the game against INAC Kobe played in Mimasaka and their lowest being 2,525 which was played against Fukuoka.
Urawa Red Diamonds Ladies averaged 2,542 where their highest attendance was 7,330 which was their final home game against INAC Kobe, and their lowest was 1,104 which was their 1-1 draw against Fukuoka.
Speranza FC Osaka Takatsuki averaged 2,412 which is exceptionally high, but their highest attendance was something of an outlier at 10,591 (against INAC), their lowest was 625 which was their final game, played against Iga.
Albirex Niigata Ladies averaged 2,021 at their home games, with the highest attendance being 7,863 which was the game against Urawa (and which was a double-header with a J-League match) and their lowest being 522 which was played against Fukuoka.
Iga FC Kunoichi averaged 1,512 at their home games, with the highest attendance being 6,305 which was the game against INAC Kobe and their lowest being 276 which was played against Urawa in a typhoon. Unsurprisingly, this was the lowest attendance at any game in the Nadeshiko League.
AS Elfen Sayama FC averaged 1,212 at home and their attendance figures varied wildly, their highest attendance being 2,900 which was the game against INAC Kobe and their lowest being 297 which was played against JEF United.
JEF United Ichihara Chiba Ladies averaged 1,176 at their home games, with the highest attendance being 4,739 which was the game against INAC Kobe and their lowest being 517 which was played against Takatsuki.
Fukuoka J. Anclas averaged 894 which was the only average attendance below 1,000. Their highest attendance was at their first home game, 3,517 against INAC Kobe and their lowest was at their second home game, 315 which was played against JEF United.
In the Challenge League, Vegalta Sendai had an incredible attendance record, and their away visits helped the opposition attendances also. Their highest attendance of 8,658 came on the day Sameshima Aya made her debut in the game against Nagano. Vegalta's lowest attendance was 806, which was a game held in Koriyama, Fukushima Prefecture against the JFA Academy.
Six of the other eleven sides had their largest attendance when Vegalta visited, the exceptions were Sfida Setagaya, FC Takahashi, Ehime, Shizuoka and the JSCL. The five teams with the lowest average attendances are all either schoolgirl or university student teams. The JSCL's highest attendance came on the day when they played directly after Albirex Niigata Ladies in the same stadium.
Vegalta Sendai's average attendance: 2,960, highest attendance: 8,658, lowest attendance: 806
Sfida Setagaya's average attendance: 482, highest attendance: 1,213, lowest attendance: 204
FC Takahashi's average attendance: 375, highest attendance: 560, lowest attendance: 250
Ehime FC's average attendance: 346, highest attendance: 570, lowest attendance: 220
Je Vrille Kagoshima's average attendance: 285, highest attendance: 406, lowest attendance: 248
Parceiro Nagano's average attendance: 218, highest attendance: 407, lowest attendance: 115
Bunnys Kyoto's average attendance: 182, highest attendance: 520, lowest attendance: 100
Tokiwagi Gakuen's average attendance: 174, highest attendance: 800, lowest attendance: 50
Shizuoka's average attendance: 169, highest attendance: 214, lowest attendance: 92
JFA Academy's average attendance: 150, highest attendance: 430, lowest attendance: 42
Nittaidai's average attendance: 143, highest attendance: 500, lowest attendance: 63
JSCL's average attendance: 133, highest attendance: 275, lowest attendance: 60
Challenge League overall average attendance: 468, highest attendance: 8,658 (Vegalta Sendai vs. Parceiro Nagano), lowest attendance: 42 (JFA Academy vs. Nittaidai)