| Pillar | OECD (the EU) | The World Bank | ILO |
| 0 Pillar | Non-contributory basic benefits financed by the state | State-funded social protection for older persons. | |
| 1st Pillar | Mandatory Publicly managed pension scheme | Mandatory Public DC schemes with minimum pension guarantee or flat benefit. | Mandatory DB, financed by employer and employee contributions. |
| 2nd Pillar | Workplace pensions embedded in employment contract. | Mandatory occupational plan (funded DB) plan. | Complementary Pillar. Voluntary or mandatory, occupational or non-occupational. |
| 3rd Pillar | Voluntary personal pension plan. | Voluntary personal savings plan or Occupational plan privately managed | Voluntary Personal Savings. |
| 4th Pillar | Informal support |