| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2024/2025 | Dempo | I-League | 7 | 2 | 0 | 1 | 0 | – |
| 2024/2025 | Churchill Brothers | I-League | 5 | 0 | 0 | 1 | 0 | – |
| 2023/2024 | Punjab | Indian Super League | 17 | 2 | 2 | 1 | 0 | 6.7 |
| 2022/2023 | Punjab | I-League | 18 | 10 | 0 | 3 | 0 | – |
| 2021/2022 | NEROCA | I-League | 10 | 2 | 0 | 4 | 0 | – |
| 2020/2021 | Lealtad | Primera División RFEF | 20 | 0 | 0 | 5 | 0 | – |
| 2019/2020 | East Bengal | I-League | 16 | 2 | 0 | 3 | 0 | – |
| 2018/2019 | Leioa | Primera División RFEF | 7 | 0 | 0 | 2 | 0 | – |
| 2018/2019 | Teruel | Primera División RFEF | 11 | 0 | 0 | 1 | 0 | – |
| 2017/2018 | Racing Ferrol | Primera División RFEF | 23 | 1 | 0 | 3 | 0 | – |
| 2016/2017 | Celta de Vigo II | Primera División RFEF | 34 | 3 | 0 | 5 | 0 | – |
| 2016/2017 | Sporting Gijon | La Liga | 0 | 0 | 0 | 0 | 0 | – |
| 2015/2016 | Sporting Gijón II | Primera División RFEF | 34 | 4 | 0 | 3 | 1 | – |
| 2014/2015 | Sporting Gijón II | Primera División RFEF | 35 | 7 | 0 | 7 | 0 | – |
| 2013/2014 | Sporting Gijón II | Primera División RFEF | 27 | 8 | 0 | 5 | 0 | – |
| 2012/2013 | Sporting Gijón II | Primera División RFEF | 20 | 1 | 0 | 1 | 0 | – |
| 2011/2012 | Sporting Gijón II | Primera División RFEF | 13 | 0 | 0 | 0 | 0 | – |
| 2010/2011 | Sporting Gijón II | Primera División RFEF | 26 | 1 | 0 | 6 | 0 | – |
| Total | 323 | 43 | 2 | 51 | 1 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | Churchill | Dempo | N/A | |
| - | NEROCA | Punjab | N/A | |
| 10 Jul 2020 | East Bengal | Lealtad | N/A | |
| - | Leioa | East Bengal | N/A | |
| - | Teruel | Leioa | N/A | |
| - | Racing Ferrol | Teruel | N/A | |
| 08 Dec 2017 | Celta Vigo | Racing Ferrol | N/A | |
| - | Gijon | Celta Vigo | N/A |
Juan Mera career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.