| Table 8 Regional Human Development Indices | |||||
| Inter-regional Comparison, 1980 and 1991 | |||||
| Region | 1980 | 1991 | Rank 1980 | Rank 1991 | |
| National Capital Region | 1.000 | 1.000 | 1 | 1 | |
| I | Ilocos | 0.4522 | 0.5228 | 4 | 4 |
| II | Cagayan Valley | 0.2967 | 0.3202 | 10 | 10 |
| III | Central Luzon | 0.5880 | 0.6531 | 3 | 3 |
| IV | Southern Tagalog | 0.5968 | 0.6431 | 2 | 2 |
| V | Bicol | 0.3641 | 0.3923 | 7 | 7 |
| VI | Western Visayas | 0.4515 | 0.4825 | 5 | 6 |
| VIII | Central Visayas | 0.4471 | 0.5146 | 6 | 5 |
| VIII | Eastern Visayas | 0.2387 | 0.2794 | 11 | 11 |
| IX | Western Mindanao | 0.0296 | 0.0358 | 13 | 13 |
| X | Northern Mindanao | 0.3563 | 0.3613 | 8 | 8 |
| XI | Southern Mindanao | 0.3309 | 0.3367 | 9 | 9 |
| XII | Cental Mindanao | 0.0740 | 0.0963 | 12 | 12 |