| Rank | Country | over 3,047 m | Airports - with unpaved runways |
| Saint Barthelemy | | void |
| Saint Helena | | void |
| Saint Kitts and Nevis | | void |
| Saint Lucia | | void |
| Saint Martin | | void |
| Saint Pierre and Miquelon | | void |
| Saint Vincent and the Grenadines | | total: 1 under 914 m: 1 (2007) |
| Samoa | | total: 1 under 914 m: 1 (2007) |
| San Marino | | void |
| Sao Tome and Principe | | void |
| Senegal | | total: 11 1,524 to 2,437 m: 6 914 to 1,523 m: 4 under 914 m: 1 (2007) |
| Serbia | | total: 23 1,524 to 2,437 m: 2 914 to 1,523 m: 9 under 914 m: 12 (2007) |
| Seychelles | | total: 6 914 to 1,523 m: 2 under 914 m: 4 (2007) |
| Sierra Leone | | total: 9 914 to 1,523 m: 7 under 914 m: 2 (2007) |
| Singapore | | void |
| Slovakia | | total: 15 914 to 1,523 m: 8 under 914 m: 7 (2007) |
| Slovenia | | total: 8 1,524 to 2,437 m: 2 914 to 1,523 m: 2 under 914 m: 4 (2007) |
| Solomon Islands | | total: 33 1,524 to 2,437 m: 1 914 to 1,523 m: 9 under 914 m: 23 (2007) |
| South Africa | | total: 582 1,524 to 2,437 m: 34 914 to 1,523 m: 300 under 914 m: 248 (2007) |
| South Georgia and the South Sandwich Islands | | void |
| Southern Ocean | | void |
| Spain | | total: 58 1,524 to 2,437 m: 2 914 to 1,523 m: 14 under 914 m: 42 (2007) |
| Spratly Islands | | total: 1 914 to 1,523 m: 1 (2007) |
| Sri Lanka | | total: 4 914 to 1,523 m: 1 under 914 m: 3 (2007) |
| Suriname | | total: 45 914 to 1,523 m: 5 under 914 m: 40 (2007) |
| Svalbard | | total: 3 under 914 m: 3 (2007) |
| Swaziland | | total: 17 914 to 1,523 m: 7 under 914 m: 10 (2007) |
| Sweden | | total: 98 914 to 1,523 m: 6 under 914 m: 92 (2007) |
| Switzerland | | total: 23 under 914 m: 23 (2007) |
| Syria | | total: 64 1,524 to 2,437 m: 1 914 to 1,523 m: 11 under 914 m: 52 (2007) |
| Taiwan | | total: 3 1,524 to 2,437 m: 1 under 914 m: 2 (2007) |
| Tajikistan | | total: 8 under 914 m: 8 (2007) |