Urban area over the long-term in American Samoa
American Samoa: Urban area over the long-term was 39.47 km² per grid cell in 2025. ◆ Volatile
Latest (2025)
39.47 km² per grid cell
Change on year
down 4.1%
World rank
179th
of 202 countries
All-time high
43.02 km² per grid cell
in 2022
All-time low
0 km² per grid cell
in 1000
Years of data
108
1000–2025
Urban area over the long-term in American Samoa, 1000–2025
Source: HYDE (2025) – with minor processing by Our World in Data. Measured in km² per grid cell.
Analysis
The most recent figure for urban area over the long-term in American Samoa is 39.47 km² per grid cell, measured in 2025.
The figure is down 4.1% on the previous year and down 0.8% over ten years.
Over the whole period, urban area over the long-term in American Samoa peaked at 43.02 km² per grid cell in 2022 and was at its lowest, 0 km² per grid cell, in 1000.
That places American Samoa 179th out of 202 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1000s | 0 km² per grid cell | 0 km² per grid cell | 0 km² per grid cell | 1 |
| 1100s | 0 km² per grid cell | 0 km² per grid cell | 0 km² per grid cell | 1 |
| 1200s | 0 km² per grid cell | 0 km² per grid cell | 0 km² per grid cell | 1 |
| 1300s | 0 km² per grid cell | 0 km² per grid cell | 0 km² per grid cell | 1 |
| 1400s | 0.0001 km² per grid cell | 0.0001 km² per grid cell | 0.0001 km² per grid cell | 1 |
| 1500s | 0.0004 km² per grid cell | 0.0004 km² per grid cell | 0.0004 km² per grid cell | 1 |
| 1600s | 0.0019 km² per grid cell | 0.0019 km² per grid cell | 0.0019 km² per grid cell | 1 |
| 1700s | 0.0088 km² per grid cell | 0.0088 km² per grid cell | 0.0088 km² per grid cell | 1 |
| 1710s | 0.0115 km² per grid cell | 0.0115 km² per grid cell | 0.0115 km² per grid cell | 1 |
| 1720s | 0.0152 km² per grid cell | 0.0152 km² per grid cell | 0.0152 km² per grid cell | 1 |
| 1730s | 0.02 km² per grid cell | 0.02 km² per grid cell | 0.02 km² per grid cell | 1 |
| 1740s | 0.0263 km² per grid cell | 0.0263 km² per grid cell | 0.0263 km² per grid cell | 1 |
| 1750s | 0.0346 km² per grid cell | 0.0346 km² per grid cell | 0.0346 km² per grid cell | 1 |
| 1760s | 0.0455 km² per grid cell | 0.0455 km² per grid cell | 0.0455 km² per grid cell | 1 |
| 1770s | 0.0598 km² per grid cell | 0.0598 km² per grid cell | 0.0598 km² per grid cell | 1 |
| 1780s | 0.0787 km² per grid cell | 0.0787 km² per grid cell | 0.0787 km² per grid cell | 1 |
| 1790s | 0.1036 km² per grid cell | 0.1036 km² per grid cell | 0.1036 km² per grid cell | 1 |
| 1800s | 0.1363 km² per grid cell | 0.1363 km² per grid cell | 0.1363 km² per grid cell | 1 |
| 1810s | 0.1793 km² per grid cell | 0.1793 km² per grid cell | 0.1793 km² per grid cell | 1 |
| 1820s | 0.2365 km² per grid cell | 0.2365 km² per grid cell | 0.2365 km² per grid cell | 1 |
| 1830s | 0.3116 km² per grid cell | 0.3116 km² per grid cell | 0.3116 km² per grid cell | 1 |
| 1840s | 0.4093 km² per grid cell | 0.4093 km² per grid cell | 0.4093 km² per grid cell | 1 |
| 1850s | 0.5339 km² per grid cell | 0.5339 km² per grid cell | 0.5339 km² per grid cell | 1 |
| 1860s | 0.6859 km² per grid cell | 0.6859 km² per grid cell | 0.6859 km² per grid cell | 1 |
| 1870s | 0.9132 km² per grid cell | 0.9132 km² per grid cell | 0.9132 km² per grid cell | 1 |
| 1880s | 1.17 km² per grid cell | 1.17 km² per grid cell | 1.17 km² per grid cell | 1 |
| 1890s | 1.42 km² per grid cell | 1.42 km² per grid cell | 1.42 km² per grid cell | 1 |
| 1900s | 1.66 km² per grid cell | 1.66 km² per grid cell | 1.66 km² per grid cell | 1 |
| 1910s | 1.9 km² per grid cell | 1.9 km² per grid cell | 1.9 km² per grid cell | 1 |
| 1920s | 2.36 km² per grid cell | 2.36 km² per grid cell | 2.36 km² per grid cell | 1 |
| 1930s | 3.04 km² per grid cell | 3.04 km² per grid cell | 3.04 km² per grid cell | 1 |
| 1940s | 4.13 km² per grid cell | 4.13 km² per grid cell | 4.13 km² per grid cell | 1 |
| 1950s | 7.81 km² per grid cell | 7.33 km² per grid cell | 8.19 km² per grid cell | 10 |
| 1960s | 10.1 km² per grid cell | 8.39 km² per grid cell | 11.98 km² per grid cell | 10 |
| 1970s | 13.94 km² per grid cell | 12.38 km² per grid cell | 15.3 km² per grid cell | 10 |
| 1980s | 20.21 km² per grid cell | 15.96 km² per grid cell | 25.13 km² per grid cell | 10 |
| 1990s | 30.89 km² per grid cell | 26.17 km² per grid cell | 35.23 km² per grid cell | 10 |
| 2000s | 38.29 km² per grid cell | 36.18 km² per grid cell | 39.18 km² per grid cell | 10 |
| 2010s | 39.66 km² per grid cell | 38.66 km² per grid cell | 40.91 km² per grid cell | 10 |
| 2020s | 41.54 km² per grid cell | 39.47 km² per grid cell | 43.02 km² per grid cell | 6 |
Countries ranked near American Samoa
- 176 Bahrain 44.31 km² per grid cell compare
- 177 Solomon Islands 43.46 km² per grid cell compare
- 178 United States Virgin Islands 41.74 km² per grid cell compare
- 180 Vanuatu 35.17 km² per grid cell compare
- 181 Trinidad and Tobago 35.03 km² per grid cell compare
- 182 Aruba 31.05 km² per grid cell compare
More reference data data for American Samoa
- Summer temperature anomalies -0.1017 °C (2026)
- Temperature anomalies by month 0.0944 °C (2026)
- Spring temperature anomalies 0.1942 °C (2026)
- Autumn temperature anomalies -0.3295 °C (2025)
- Annual precipitation 2,994 millimeters (2025)
- Precipitation anomalies 406.76 millimeters (2025)
- Winter temperature anomalies 0.2171 °C (2025)
- Share of adults who are overweight or obese 91.0% (2024)
- Share of adults who are obese 75.8% (2024)
- Share of men and women expected to survive to the age of 65 82.6% (2024)
Frequently asked questions
- What is urban area over the long-term in American Samoa?
- Urban area over the long-term in American Samoa was 39.47 km² per grid cell in 2025, according to HYDE (2025) – with minor processing by Our World in Data.
- What is the highest urban area over the long-term recorded in American Samoa?
- The highest recorded value was 43.02 km² per grid cell in 2022.
- What is the lowest urban area over the long-term recorded in American Samoa?
- The lowest recorded value was 0 km² per grid cell in 1000.
- How does American Samoa rank for urban area over the long-term?
- American Samoa ranks 179th out of 202 countries with data for 2025.
- Is urban area over the long-term rising or falling in American Samoa?
- Over the last ten years it is down 0.8%. The long-run trend across the full record is volatile.
- Where does this American Samoa data come from?
- The figures come from HYDE (2025) – with minor processing by Our World in Data, published as part of Urban area over the long-term. Statizoid updates them automatically from the source API.
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About this data
Total built-up area of a country over time.