| No. | Country | Area (km²) | Population | Capital |
|---|---|---|---|---|
| 1 | Vatican City State | 0 | 1000 | |
| 2 | Principality of Monaco | 2 | 38300 | |
| 3 | Republic of Nauru | 21 | 10671 | Yaren |
| 4 | Tuvalu | 26 | 11646 | Funafuti |
| 5 | Republic of San Marino | 61 | 33600 | City of San Marino |
| 6 | Principality of Liechtenstein | 160 | 38896 | Vaduz |
| 7 | Marshall Islands | 181 | 54701 | Majuro |
| 8 | Federation of Saint Christopher and Nevis | 261 | 52440 | Basseterre |
| 9 | Republic of Maldives | 300 | 383135 | Malé |
| 10 | Republic of Malta | 316 | 514564 | Valletta |