Tonga exposure#
This page summarises the exposure model for Tonga in Oceania, including national, subnational, and taxonomy-level views.
National summary#
The national exposure profile by occupancy class highlights the distribution of buildings, replacement value, and exposed population.
| BUILDINGS | POPULATION | TOTAL_COST | BUILDINGS_% | POPULATION_% | TOTAL_COST_% | |
|---|---|---|---|---|---|---|
| OCCUPANCY | ||||||
| COM | 3,909 | 0.0K | $1,270.0M | 12.58% | 0.00% | 25.17% |
| IND | 258 | 0.0K | $68.6M | 0.83% | 0.00% | 1.36% |
| RES | 26,915 | 103.7K | $3,706.4M | 86.59% | 100.00% | 73.47% |
Figure: Relative contribution of occupancy classes to total national exposure in Tonga.
Figure: National exposure distribution by taxonomy classes in Tonga.
Figure: Building height profile used in the exposure model for Tonga.
Subnational summary#
The subnational summary aggregates exposure by first administrative level and supports comparison of spatial concentration of assets.
| BUILDINGS | POPULATION | TOTAL_COST | BUILDINGS_% | POPULATION_% | TOTAL_COST_% | |
|---|---|---|---|---|---|---|
| NAME_1 | ||||||
| Tongatapu | 22,694 | 77.3K | $3,710.6M | 73.02% | 74.55% | 73.55% |
| Vava'u | 4,508 | 14.3K | $739.4M | 14.50% | 13.76% | 14.66% |
| Ha'apai | 1,904 | 5.9K | $276.8M | 6.13% | 5.65% | 5.49% |
| 'Eua | 1,534 | 5.1K | $255.5M | 4.94% | 4.89% | 5.06% |
| Niuas | 439 | 1.2K | $62.7M | 1.41% | 1.15% | 1.24% |
Figure: Subnational distribution of exposure by occupancy class across first-level administrative units.
Figure: Subnational distribution of exposure by taxonomy classes across first-level administrative units.
Taxonomy summary#
The taxonomy summary provides a detailed view of building classes represented in the national exposure model.
Figure: Distribution of exposure by detailed taxonomy classes in Tonga.
| BUILDINGS | POPULATION | TOTAL_COST | BUILDINGS_% | POPULATION_% | TOTAL_COST_% | |||
|---|---|---|---|---|---|---|---|---|
| MACRO_TAXONOMY | TAXONOMY | OCCUPANCY | ||||||
| MUR | MUR+CBH/LWAL/CDN+ERL/H:1/RES | RES | 11,722 | 43,761 | $1,959.9M | 37.71% | 42.18% | 38.85% |
| W | W+WLI/LFM/CDL+ERH/H:1/RES | RES | 13,209 | 48,664 | $1,383.3M | 42.50% | 46.91% | 27.42% |
| MUR | MUR+CBH/LWAL/CDN+ERL/H:1/COM | COM | 2,001 | 0 | $548.7M | 6.44% | 0.00% | 10.88% |
| W | W+WLI/LFM/CDL+ERH/H:1/COM | COM | 1,134 | 0 | $363.9M | 3.65% | 0.00% | 7.21% |
| MUR | MUR+CBH/LWAL/CDN+ERL/H:2-5/COM | COM | 382 | 0 | $232.9M | 1.23% | 0.00% | 4.62% |
| MUR+CBH/LWAL/CDN+ERL/H:2-4/RES | RES | 468 | 4,946 | $221.5M | 1.51% | 4.77% | 4.39% | |
| W | W+WLI/LFM/CDL+ERH/H:2/RES | RES | 492 | 2,587 | $92.2M | 1.58% | 2.49% | 1.83% |
| W+WLI/LFM/CDL+ERH/H:2/COM | COM | 171 | 0 | $76.7M | 0.55% | 0.00% | 1.52% | |
| OT | ME+MEIR/LN/CDL+ERM/H:1/RES | RES | 1,008 | 3,742 | $48.9M | 3.24% | 3.61% | 0.97% |
| ME+MEIR/LFM/CDL+ERM/H:1/COM | COM | 220 | 0 | $47.8M | 0.71% | 0.00% | 0.95% | |
| W | W+WLI/LFM/CDL+ERH/H:1/IND | IND | 73 | 0 | $25.2M | 0.23% | 0.00% | 0.50% |
| MUR | MUR+CBH/LWAL/CDN+ERL/H:1/IND | IND | 85 | 0 | $22.9M | 0.27% | 0.00% | 0.45% |
| OT | ME+MEIR/LFM/CDL+ERM/H:1/IND | IND | 87 | 0 | $15.2M | 0.28% | 0.00% | 0.30% |
| MUR | MUR+CBH/LWAL/CDN+ERL/H:2/IND | IND | 13 | 0 | $5.3M | 0.04% | 0.00% | 0.10% |
| OT | MATO/LPB/CDN+ERM/H:1/RES | RES | 16 | 42 | $0.6M | 0.05% | 0.04% | 0.01% |