| IQB-Bildungstrend Kl. 4 - Platzierungen in den Grundkompetenzen | ||||||||
| IQB 4, Platzierung | ||||||||
| Lesen | 2011 | 2016 | 2021 | Zuhören | 2011 | 2016 | 2021 | |
| BW Baden-W. | 5 | 8 | 9 | BW | 2 | 8 | 11 | |
| By Bayern | 1 | 1 | 1 | By | 1 | 1 | 2 | |
| Be Berlin | 15 | 15 | 14 | Be | 15 | 14 | 14 | |
| Bb Brandenb. | 7 | 8 | 13 | Bb | 10 | 10 | 13 | |
| HB Bremen | 16 | 16 | 15 | HB | 16 | 16 | 15 | |
| HH Hamburg | 14 | 12 | 3 | HH | 13 | 5 | 5 | |
| He Hessen | 12 | 4 | 5 | He | 9 | 4 | 4 | |
| MV Mecklenb-.V.** | 8 | 10 | MV | 8 | 11 | |||
| Ni Nieders. | 6 | 10 | 11 | Ni | 3 | 7 | 9 | |
| NRW | 11 | 14 | 12 | NRW | 7 | 12 | 12 | |
| RP Rheinland-Pf. | 12 | 13 | 7 | RP | 11 | 13 | 10 | |
| Sl Saarland | 9 | 5 | 8 | Sl | 14 | 5 | 6 | |
| Sn Sachsen | 2 | 2 | 1 | Sn | 6 | 3 | 2 | |
| St Sachsen-An. | 3 | 6 | 5 | St | 11 | 15 | 8 | |
| SH Schleswig-H. | 9 | 3 | 3 | SH | 3 | 2 | 1 | |
| Th Thüringen | 4 | 7 | 10 | Th | 5 | 9 | 6 | |
| Orthographie* | 2011 | 2016 | 2021 | Mathe | 2011 | 2016 | 2021 | |
| BW Baden-W. | 4 | 3 | BW | 4 | 6 | 6 | ||
| By Bayern | 1 | 1 | By | 1 | 1 | 2 | ||
| Be Berlin | 15 | 14 | Be | 16 | 15 | 14 | ||
| Bb Brandenb. | 10 | 13 | Bb | 11 | 8 | 13 | ||
| HB Bremen | 16 | 14 | HB | 15 | 16 | 15 | ||
| HH Hamburg | 13 | 8 | HH | 14 | 14 | 8 | ||
| He Hessen | 3 | 6 | He | 13 | 8 | 7 | ||
| MV Mecklenb-.V.** | 10 | MV | 8 | 11 | ||||
| Ni Nieders. | 13 | 12 | Ni | 7 | 12 | 11 | ||
| NRW | 9 | 11 | NRW | 6 | 13 | 12 | ||
| RP Rheinland-Pf. | 8 | 4 | RP | 8 | 10 | 5 | ||
| Sl Saarland | 2 | 4 | Sl | 10 | 4 | 10 | ||
| Sn Sachsen | 5 | 2 | Sn | 2 | 2 | 1 | ||
| St Sachsen-An. | 7 | 7 | St | 2 | 3 | 3 | ||
| SH Schleswig-H. | 6 | 10 | SH | 12 | 6 | 9 | ||
| Th Thüringen | 12 | 9 | Th | 5 | 5 | 4 | ||