Table 1.
Summary of atoll island characteristics and changes in islands, Tuvalu
| Atoll/Reef platform (RP) | No islds. | Atoll land area | Change in land area 1971–2014 | Number of islands | Inhabited islands | ||||
|---|---|---|---|---|---|---|---|---|---|
| (ha) | (ha) | (%) | Accr. | Erod. | No. | Area (km2) | Pop. density (per km2) | ||
| Nanumea | 6 | 356.1 | −1.32 | −0.004 | 3 | 3 | 1 | 2.18 | 281 |
| Niutao (RP) | 1 | 235.2 | 0.34 | 0.14 | 1 | — | 1 | 2.35 | 295 |
| Nanumaga (RP) | 1 | 301.0 | 4.71 | 1.56 | 1 | — | 1 | 3.01 | 183 |
| Nui | 13 | 342.8 | 7.61 | 2.22 | 13 | — | 1 | 1.34 | 544 |
| Vaitupu (RP) | 8 | 522.9 | 12.27 | 2.35 | 6 | 2 | 2 | 5.18 | 297 |
| Nukufetau | 26 | 314.4 | 19.40 | 6.17 | 15 | 11 | 1 | 0.19 | 3458 |
| Funafuti | 29 | 261.2 | 10.06 | 3.85 | 19 | 10 | 1 | 1.59 | 3427 |
| Nukulaelae | 19 | 176.4 | 10.00 | 5.67 | 16 | 3 | 1 | 0.22 | 1626 |
| Niulakita (RP) | 1 | 42.1 | 0.05 | 0.12 | 1 | — | 1 | 0.42 | 109 |
Island population data obtained from the Tuvalu Census of Population and Housing28
Accr. accreted islands, Erod. eroded islands