| Attribute |
Montserrat × | 
Tonga × |
| Geography | | |
| Area (km²) | 102 | 747 |
| Continent | North America | Australia |
| Land area (km²) | 102 | 717 |
| Water area (km²) | 0 | 30 |
| Land boundaries (km) | 0 | 0 |
| Coastline (km) | 40 | 419 |
| Lowest point (m) | 0 | 0 |
| Highest point (m) | 915 | 1,046 |
| People | | |
| Population | 5,373 | 106,095 |
| Official languages | Array of values | |
| Religion | Protestant | Protestant |
| Government | | |
| Long country name | - | Kingdom of Tonga |
| Short country name | Montserrat | Tonga |
| Long local name | - | Pule'anga Fakatu'i 'o Tonga |
| Short local name | - | Tonga |
| Former name | - | |
| Government type | Parliamentary democracy | Constitutional monarchy |
| Capital | Plymouth | Nuku'alofa |
| Economy | | |
| GDP (PPP) (USD) | 167,400,000 | 591,000,000 |
| GDP (OER) (USD) | 167,400,000 | 455,000,000 |
| GDP (real growth rate) (%) | 7.4 | 2.5 |
| GDP - per capita (PPP) (USD) | 34,000 | 5,900 |
| Labor force | 4,521 | 33,800 |
| Unemployment rate (%) | 5.6 | 1.1 |
| Population below poverty line (%) | - | 22.5 |
| Budget revenues (USD) | 66,670,000 | 181,200,000 |
| Budget expenditures (USD) | 47,040,000 | 181,200,000 |
| Taxes and other revenues (% of GDP) | - | 39.8 |
| Budget surplus or deficit (% of GDP) | - | 0 |
| Public debt (% of GDP) | - | 48 |
| Inflation rate (%) | 1.2 | 7.4 |
| Central bank discount rate (%) | 10.99 | - |
| Commercial bank prime lending rate (%) | 6.95 | 8 |
| Stock of narrow money (USD) | 28,330,000 | 130,800,000 |
| Stock of broad money (USD) | 28,330,000 | 130,800,000 |
| Stock of domestic credit (USD) | 5,185,000 | 139,200,000 |
| Current account balance (USD) | -15,400,000 | -53,000,000 |
| 1↑Exports (USD) | 4,400,000 | 18,400,000 |
| Imports (USD) | 39,440,000 | 250,200,000 |
| Reserves of foreign exchange and gold (USD) | 47,580,000 | 198,500,000 |
| External debt (USD) | 8,900,000 | 189,900,000 |
| National currency | East Caribbean dollars | pa'anga |
| National currency (code) | XCD | TOP |
| National currency (symbol) | $ | T$ |
| National currency rate to USD | 2.7 | 2.228 |