| FACTORS | 1 | 2 | 3 | 4 | 5 | W | RII | rank |
| PHYSICAL | 0.586 | 4 | ||||||
| nature of land | 25 | 58 | 42 | 46 | 11 | 506 | 0.556 | |
| location of land | 14 | 53 | 29 | 76 | 10 | 561 | 0.616 | |
| POLITICAL | 0.644 | 2 | ||||||
| lack of political will to enforce building regulations | 6 | 33 | 80 | 53 | 10 | 572 | 0.629 | |
| inadequate policy on housing | 9 | 36 | 57 | 52 | 28 | 600 | 0.659 | |
| SOCIO-ECONOMIC | 0.740 | 1 | ||||||
| high rent | 2 | 10 | 22 | 111 | 37 | 717 | 0.788 | |
| ignorance on planning and building regulations | 0 | 4 | 9 | 109 | 60 | 771 | 0.847 | |
| high cost in getting land document and building permits | 0 | 12 | 36 | 87 | 47 | 715 | 0.786 | |
| unwillingness to accept laid down regulation | 2 | 38 | 57 | 49 | 36 | 625 | 0.687 | |
| population growth | 5 | 34 | 56 | 59 | 28 | 617 | 0.678 | |
| high cost of land | 6 | 36 | 54 | 55 | 31 | 615 | 0.676 | |
| family ties | 6 | 21 | 49 | 75 | 31 | 650 | 0.714 | |
| INSTITUTIONAL | 0.636 | 3 | ||||||
| logistic and capacity gap | 22 | 69 | 38 | 52 | 1 | 487 | 0.535 | |
| multiple sale of land | 19 | 50 | 70 | 35 | 8 | 509 | 0.559 | |
| litigant land market | 35 | 19 | 13 | 95 | 20 | 592 | 0.651 | |
| Corruption | 24 | 16 | 31 | 94 | 17 | 610 | 0.670 | |
| high enforcement cost | 24 | 25 | 55 | 53 | 25 | 576 | 0.633 | |
| lack of public private partnership in controlling unauthorized buildings | 7 | 43 | 50 | 58 | 24 | 595 | 0.654 | |
| non punitive sanctions against offenders | 4 | 30 | 43 | 96 | 9 | 622 | 0.684 | |
| overlapping institutional roles and responsibilities | 19 | 44 | 65 | 52 | 2 | 520 | 0.571 | |
| Bureaucracy | 15 | 24 | 51 | 72 | 20 | 604 | 0.664 | |
| unrealistic zoning | 6 | 17 | 45 | 74 | 40 | 671 | 0.737 |