| Attribute |
Tonga × | 
Grenada × |
| Geography | | |
| Area (km²) | 747 | 344 |
| Continent | Australia | North America |
| Land area (km²) | 717 | 344 |
| Water area (km²) | 30 | 0 |
| Land boundaries (km) | 0 | 0 |
| Coastline (km) | 419 | 121 |
| Lowest point (m) | 0 | 0 |
| Highest point (m) | 1,046 | 840 |
| People | | |
| Population | 106,095 | 113,094 |
| Official languages | | |
| Religion | Protestant | Protestant |
| Government | | |
| Long country name | Kingdom of Tonga | - |
| Short country name | Tonga | Grenada |
| Long local name | Pule'anga Fakatu'i 'o Tonga | - |
| Short local name | Tonga | - |
| 1↑Former name | | - |
| Government type | Constitutional monarchy | Parliamentary democracy |
| Capital | Nuku'alofa | Saint George's |
| Economy | | |
| GDP (PPP) (USD) | 591,000,000 | 1,634,000,000 |
| GDP (OER) (USD) | 455,000,000 | 1,119,000,000 |
| GDP (real growth rate) (%) | 2.5 | 5.1 |
| GDP - per capita (PPP) (USD) | 5,900 | 15,100 |
| Gross national saving (% of GDP) | - | 11.7 |
| Labor force | 33,800 | 55,270 |
| Unemployment rate (%) | 1.1 | 24 |
| Population below poverty line (%) | 22.5 | 38 |
| Budget revenues (USD) | 181,200,000 | 288,400,000 |
| Budget expenditures (USD) | 181,200,000 | 252,300,000 |
| Taxes and other revenues (% of GDP) | 39.8 | 25.8 |
| Budget surplus or deficit (% of GDP) | 0 | 3.2 |
| Public debt (% of GDP) | 48 | 70.4 |
| Inflation rate (%) | 7.4 | 0.9 |
| Central bank discount rate (%) | - | 6.5 |
| Commercial bank prime lending rate (%) | 8 | 8.31 |
| Stock of narrow money (USD) | 130,800,000 | 223,300,000 |
| Stock of broad money (USD) | 130,800,000 | 223,300,000 |
| Stock of domestic credit (USD) | 139,200,000 | 550,000,000 |
| Current account balance (USD) | -53,000,000 | -77,000,000 |
| Exports (USD) | 18,400,000 | 39,900,000 |
| Imports (USD) | 250,200,000 | 316,000,000 |
| Reserves of foreign exchange and gold (USD) | 198,500,000 | 199,100,000 |
| External debt (USD) | 189,900,000 | 793,500,000 |
| National currency | pa'anga | East Caribbean dollars |
| National currency (code) | TOP | XCD |
| National currency (symbol) | T$ | $ |
| National currency rate to USD | 2.228 | 2.7 |