Solomon Islands vs Tonga Comparison

Country Comparison
Solomon Islands Flag

Solomon Islands

838.6K (2025)

VS
Tonga Flag

Tonga

103.7K (2025)

Comprehensive comparison across 9 categories and 44 indicators

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Solomon Islands Flag

Solomon Islands

Population: 838.6K (2025) Area: 28.9K km² GDP: $1.9B (2025)
Capital: Honiara
Continent: Oceania
Official Languages: English
Currency: SBD
HDI: 0.584 (156.)
Tonga Flag

Tonga

Population: 103.7K (2025) Area: 747 km² GDP: $570M (2025)
Capital: Nukuʻalofa
Continent: Oceania
Official Languages: Tongan, English
Currency: TOP
HDI: 0.769 (92.)

Geography and Demographics

Solomon Islands
Tonga
Area
28.9K km²
747 km²
Total population
838.6K (2025)
103.7K (2025)
Population density
27.5 people/km² (2025)
145.8 people/km² (2025)
Average age
20.7 (2025)
20.8 (2025)

Economy and Finance

Solomon Islands
Tonga
Total GDP
$1.9B (2025)
$570M (2025)
GDP per capita
$2,380 (2025)
$5,720 (2025)
Inflation rate
4.8% (2025)
3.6% (2025)
Growth rate
2.7% (2025)
2.7% (2025)
Minimum wage
$250 (2024)
$280 (2024)
Tourism revenue
$10M (2025)
$100M (2025)
Unemployment rate
1.5% (2025)
2.2% (2025)
Public debt
27.1% (2025)
47.4% (2025)
Trade balance
No data
No data

Quality of Life and Health

Solomon Islands
Tonga
Human development
0.584 (156.)
0.769 (92.)
Happiness index
No data
No data
Health Exp. per Cap. ($)
$97 (5%)
$378 (8%)
Life expectancy
70.8 (2025)
73.2 (2025)
Safety index
65.4 (107.)
78.2 (68.)

Education and Technology

Solomon Islands
Tonga
Education Exp. (% GDP)
8.2% (2025)
5.4% (2025)
Literacy rate
No data
89.9% (2025)
Primary school completion
No data
89.9% (2025)
Internet usage
47.3% (2025)
62.6% (2025)
Internet speed
No data
No data

Environment and Sustainability

Solomon Islands
Tonga
Renewable energy
12.6% (2025)
47.4% (2025)
Carbon emissions per capita
0 kg per capita (2025)
0 kg per capita (2025)
Forest area
90.1% (2025)
12.4% (2025)
Freshwater resources
45 km³ (2025)
0 km³ (2025)
Air quality
13.93 µg/m³ PM2.5 (2025)
12.67 µg/m³ PM2.5 (2025)

Military Power

Solomon Islands
Tonga
Military expenditure
No data
No data
Military power rank
No data
23 (168.)

Governance and Politics

Solomon Islands
Tonga
Democracy index
No data
No data
Corruption perception
43 (63.)
No data
Political stability
0.4 (82.)
1.1 (34.)
Press freedom
No data
68.9 (41.)

Infrastructure and Services

Solomon Islands
Tonga
Clean water access
97.4% (2025)
98.8% (2025)
Electricity access
80.3% (2025)
100.0% (2025)
Electricity price
0.37 $/kWh (2025)
0.35 $/kWh (2025)
Paved Roads
No data
No data
Traffic deaths (per 100K)
16.14 /100K (2025)
13.35 /100K (2025)
Retirement age
50 (2025)
No data

Tourism and International Relations

Solomon Islands
Tonga
Passport power
73.59 (2025)
71.06 (2025)
Tourist arrivals
4.4K (2020)
18.4K (2022)
Tourism revenue
$10M (2025)
$100M (2025)
World heritage sites
1 (2025)
0 (2025)

Comparison Result

Solomon Islands
Solomon Islands Flag
12.5

Superior Fields

Leader
Tonga
Tonga
Tonga Flag
19.5

Superior Fields

* This score reflects overall livability and quality of life, not just economic or military strength

GDP Comparison

Total GDP

$1.9B (2025)
Solomon Islands
vs
$570M (2025)
Tonga
Difference: %233

GDP per Capita

$2,380 (2025)
Solomon Islands
vs
$5,720 (2025)
Tonga
Difference: %140

Comparison Evaluation

Solomon Islands Flag

Solomon Islands Evaluation

While Solomon Islands ranks lower overall compared to Tonga, specific areas demonstrate competitive advantages:

Solomon Islands outperforms in: • Solomon Islands has 38.7x higher land area • Solomon Islands has 8.1x higher population • Solomon Islands has 3.3x higher GDP • Solomon Islands has 7.3x higher forest coverage
Tonga Flag

Tonga Evaluation

Tonga dominates in: • Tonga has 3.9x higher healthcare spending per capita • Tonga has 5.3x higher population density • Tonga has 2.4x higher GDP per capita • Tonga has 3.8x higher renewable energy usage

Overall Evaluation

Final Conclusion

Solomon Islands vs. Tonga: The Untamed Archipelago vs. The Ancient Kingdom

A Tale of Two Pacific Souls

Comparing the Solomon Islands to Tonga is like contrasting a sprawling, wild rainforest with a meticulously kept royal garden. The Solomon Islands, a vast constellation of nearly a thousand islands, is a realm of untamed nature and diverse Melanesian cultures. Tonga, a proud Polynesian kingdom, is more consolidated, deeply rooted in tradition, and presents a more formal, unified face to the world.

Both are jewels of the Pacific, but they shine with a completely different light. One offers raw adventure, the other offers regal tranquility.

The Starkest Contrasts

Cultural Blueprint: The Solomons are a vibrant mosaic of Melanesian cultures with over 70 distinct languages, creating a sense of discovering a new world on each island. Tonga is a unified Polynesian society under one of the world's last remaining monarchies, where tradition and respect for hierarchy are paramount.

Geographical Scale: The Solomon Islands are scattered across a massive expanse of ocean, making inter-island travel an adventure in itself. Tonga's main island groups are more geographically compact, fostering a stronger sense of national unity.

Economic Engine: The Solomons' economy is largely driven by natural resources like logging and fishing, with a growing potential for rugged, expedition-style tourism. Tonga relies heavily on agriculture, remittances from its large diaspora, and a unique brand of tourism centered on its famous swimming whales.

The Experience vs. The Essence Paradox

In the Solomon Islands, the value is in the raw, unfiltered experience. It’s about diving on world-class WWII wrecks, trekking through dense jungles to hidden waterfalls, and connecting with villages that have seen little change. It’s a place that challenges you and rewards you with authenticity.

In Tonga, the value is in the cultural essence. It’s about witnessing the deep respect for the monarchy, participating in a traditional Tongan feast (kai pola), and feeling the serene power of swimming alongside humpback whales. It’s a place that grounds you in centuries of tradition.

Practical Advice

If You Want to Start a Business:
  • In Solomon Islands: Ideal for ventures in sustainable logging, fisheries, or developing eco-resorts and dive operations in untouched areas. The market is raw with high potential for the resilient entrepreneur.
  • In Tonga: Better suited for boutique tourism (whale watching charters), specialty agriculture (like vanilla or kava), and services catering to the local community and tourists. Stability is higher, but the scale is smaller.
If You Want to Settle Down:
  • Solomon Islands is for you if: You are an adventurer, a pioneer, or a researcher who craves authenticity, self-sufficiency, and a deep connection with nature, far from the modern rush.
  • Tonga is for you if: You value a slow, peaceful, and highly structured community life, where family, faith, and tradition are the cornerstones of society.

The Tourist Experience

Solomon Islands: A diver’s paradise and an explorer’s dream. Think liveaboard boats exploring remote reefs and wrecks, challenging jungle treks, and authentic cultural homestays. This is off-the-beaten-path travel at its best.

Tonga: The "Friendly Islands" offer a gentler adventure. The main draw is the once-in-a-lifetime chance to swim with humpback whales. Beyond that, expect beautiful beaches, fascinating ancient stone trilithons, and a warm, welcoming, and deeply religious culture.

Conclusion: Which World Do You Choose?

The Solomon Islands call to the explorer who wants to lose themselves in a vast, diverse, and wild world. It’s a place of discovery, offering endless potential for adventure.

Tonga beckons the traveler who wants to find themselves in a world of deep-rooted culture, tranquility, and profound natural encounters. It’s a place of connection and serenity.

One is a sprawling epic; the other is a beautifully written poem.

🏆 The Final Verdict

Winner: For raw, unadulterated adventure and diving, the Solomon Islands is unparalleled. For unique, soul-stirring cultural and wildlife experiences, Tonga has the edge.

The Practical Take: If you're an entrepreneur looking for an untapped frontier, head to the Solomons. If you seek a stable, peaceful, and culturally rich retirement or a life-changing wildlife encounter, Tonga is your answer.

Final Word: The Solomons are where you go to find adventure; Tonga is where you go to let the adventure find you.

💡 Surprise Fact

The Solomon Islands is a republic within the Commonwealth, while Tonga is one of only five sovereign monarchies in Oceania. This fundamental difference in governance shapes everything from land ownership to social etiquette.

Interestingly, while the Solomons are known for their WWII history, Tonga also played a role, sending soldiers to fight alongside the Allies, including in the Solomon Islands campaign!

Other Country Comparisons

Data Disclaimer: Projected data (future years) are estimates based on mathematical models. Actual values may differ. Learn about our methodology →

Data Sources

Comparison data is aggregated from multiple authoritative international organizations:

World Bank Open Data - Development and economic indicators
UN Data - Population and demographic statistics
IMF Data Portal - International financial statistics
WHO Data - Global health statistics
OECD Statistics - Economic and social data
Our Methodology - Learn how we process and analyze data

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