Cardiff City's Capacity is is just over 33,000.
For 2018-19 Season, With approx 23,000 season tickets sold incl Premier Seats/Box's/Corporate (already nearly sold out), still selling every day
Plus at least 3,000 match day tickets made available & approx 3,300 away fans(will virtually always be sold out).
Cardiff City in 2018-19 hope to average approx 32,000 making them the 10th best supported club out of 92 clubs next season
Average 2017-18 Premier League attendances
1 Manchester United - 74,976
2 Tottenham - 67,496
3 Arsenal - 59,323
4 West Ham United - 56,885
5 Liverpool - 53,049
6 Newcastle United - 51,992
7 Manchester City - 53,782
8 Chelsea - 41,282
9 Everton - 38,797
10 Leicester City - 31,583
11 Southampton - 30,794
12 Brighton - 30,402
13 Stoke City - 29,280
14 Crystal Palace - 25,065
15 West Brom - 24,567
16 Huddersfield Town - 24,046
17 Burnley - 20,688
18 Swansea City - 20,622
19 Watford - 20,231
20 Bournemouth - 10,640
Cardiff City in 2018-19 hope to average approx 32,000