| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2027 | Iceland U21 | Euro U21 - Qualification | 7 | 1 | 0 | 1 | 0 | – |
| 2025 | Iceland U21 | Friendly International | 3 | 3 | 0 | 0 | 0 | – |
| 2025 | Iceland U21 | Euro U21 - Qualification | 7 | 0 | 0 | 0 | 0 | – |
| 2024 | Iceland U21 | Friendly International | 1 | 1 | 0 | 0 | 0 | – |
| 2023 | Iceland U19 | Euro U19 - Qualification | 6 | 2 | 1 | 0 | 0 | – |
| 2023 | Iceland U21 | Euro U21 - Qualification | 1 | 0 | 0 | 0 | 0 | – |
| 2022 | Iceland U18 | Friendly International | 2 | 1 | 0 | 0 | 0 | – |
| 2022 | Iceland U19 | Friendly International | 2 | 0 | 0 | 0 | 0 | – |
| 2022 | Iceland U19 | Euro U19 - Qualification | 4 | 1 | 0 | 0 | 0 | – |
| 2021 | Iceland U19 | Friendly International | 1 | 0 | 0 | 0 | 0 | – |
| Total | 34 | 9 | 1 | 1 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Venezia | Viking | Transfer | |
| - | Kristiansund | Venezia | Return from loan | |
| - | Venezia | Kristiansund | Loan | |
| - | Tromso | Venezia | Return from loan | |
| - | Venezia | Tromso | Loan | |
| 07 ene 2022 | Fjolnir | Venezia | Transfer | |
| - | Venezia | Fjolnir | Return from loan | |
| - | Fjolnir | Venezia | Loan |
H. Mikaelsson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.