| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2019/2020 | Premier League U18 | 8 | 720 | 0 | 1 | 0.13 | — |
| 2020/2021 | Premier League U18 | 8 | 603 | 1 | 0 | 0.15 | — |
| 2022/2023 | Admiral Bundesliga | 5 | 325 | 0 | 0 | 0 | 6.54 |
| 2022/2023 | 2. Liga | 4 | 360 | 0 | 0 | 0 | — |
| 2022/2023 | Premier League 2 Division One | 13 | 1170 | 1 | 0 | 0.08 | — |
| 2023/2024 | Ligue 2 | 3 | 180 | 0 | 0 | 0 | 6.5 |
| 2023/2024 | Premier League 2 Division One | 1 | 90 | 0 | 0 | 0 | — |
| 2024/2025 | Premiership | 21 | 273 | 0 | 0 | 0 | 6.83 |
| 2025/2026 | Premiership | 25 | 1329 | 0 | 0 | 0 | 6.91 |
Domestic league competitions only; G+A/90 computed from minutes actually played.
Cohort: 77 Premiership defenders, 2025/2026, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-06
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kilmarnock | 7 | 3 | 3 | 1 | 0 | 0 | 1 | 0 |
 Hibernian | 6 | 1 | 1 | 4 | 0 | 0 | 1 | 0 |
 Hearts | 6 | 2 | 0 | 4 | 0 | 0 | 0 | 0 |
 Rangers | 5 | 0 | 1 | 4 | 0 | 0 | 0 | 0 |
 Motherwell | 5 | 2 | 1 | 2 | 0 | 0 | 1 | 0 |
 St. Mirren | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
 Celtic | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Ross County | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Aberdeen | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Dundee United | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Leicester City | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Fenerbahçe | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Livingston | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 West Ham United U23 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Manchester United U23 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 St. Johnstone | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Everton U23 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Brighton U23 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Milan U19 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Genk U19 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Billy Koumetio went through 25 Premiership appearances in 2025/2026 (1,329 minutes) without a goal or an assist. Per-match rating over the season: 6.91. Measured against a 77-strong pool of Premiership defenders (2025/2026, min. 450 minutes), he ranks in the 68th percentile by match rating — above the cohort median — goals rank: 39th of 77.
He is at his recorded peak: 2025/2026's 6.91 tops every previous season, with 2022/2023 (6.54) the low mark.
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Dundee | 2024/2025 - now | 47 | 0 | 0 | 2612 | — | — | 6.87 |
| Blackburn Rovers | 2023/2024 | 13 | 0 | 0 | 48 | — | — | 6.60 |
| Austria Wien | 2022/2023 | 10 | 0 | 0 | 701 | — | — | 6.54 |
| Liverpool | 2019/2020 - 2021/2022 | 9 | 0 | 0 | 215 | — | — | 6.42 |
| Dunkerque | 2023/2024 | 4 | 0 | 0 | 270 | — | — | 6.50 |
| Total | 83 | 0 | 0 | 3846 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Dundee | 25 | 0 | — | 1329 | 1 | 0 | 6.91 |
| 24/25 | Dundee | 22 | 0 | — | 1283 | 1 | 0 | 6.83 |
| 23/24 | Dunkerque | 4 | 0 | — | 270 | 1 | 0 | 6.50 |
| 23/24 | Blackburn Rovers | 13 | 0 | — | 48 | 0 | 0 | 6.60 |
| 22/23 | Austria Wien | 10 | 0 | — | 701 | 0 | 0 | 6.54 |
| 20/21 | Liverpool | 5 | 0 | — | 97 | 0 | 0 | 6.73 |
| 19/20 | Liverpool | 3 | 0 | — | 72 | 0 | 0 | — |
