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Tonga and ADB

ADB’s program in Tonga includes COVID-19 assistance and improvements to health systems, transport infrastructure, climate resilience, disaster recovery, renewable energy generation, and urban development.


ADB began working with Tonga in 1972 and has since committed loans totaling $70.2 million, grants of $154.2 million, technical assistance worth $22.2 million, and ADB-administered cofinancing of $84.4 million for Tonga. Cumulative loan and grant disbursements to Tonga amount to $164.7 million.

ADB Membership

Joined 1972

Shareholding and Voting Power

Number of shares held:
426 (0.004% of total shares)

39,540 (0.297% of total membership, 0.457% of total regional membership)

Overall capital subscription:
$6.14 million

Paid-in capital subscription:
$0.3 million

In the Spotlight

  • Review of Opportunities for the Pacific WASH Sector
    Reports | 27 December 2021
    Review of Opportunities for the Pacific WASH Sector

    This publication reviews the water, sanitation, and hygiene (WASH) sector in the Pacific. It proposes recommendations to strengthen the sector to help address the pandemic and build long-term resilience and sustainability.

Data: Tonga

GDP forecasts are based on ADB's flagship publication, the Asian Development Outlook. Updated four times a year, it analyzes economic and development issues in developing countries in Asia and the Pacific.

Results of ADB-Supported Operations

Results achieved are aggregate amounts of outputs and outcomes from operations reported in project completion reports and extended annual review reports circulated for the year.

Projects Cofinanced

Cofinancing operations enable ADB’s financing partners, governments or their agencies, multilateral financing institutions, and commercial organizations to participate in financing ADB projects. Additional funds are provided in the form of official loans and grants, technical assistance, other concessional financing, and commercial cofinancing such as B loans, risk transfer arrangements, parallel loans and equity, guarantee cofinancing, and cofinancing for transactions under ADB’s Trade Finance Program.

Project Performance, 2000-2018


Pacific Subregional Office (SPSO) - Asian Development Bank (ADB)

91 Gordon Street
Suva, Fiji

  Office Hours: 8:00 a.m. to 5:00 p.m. (Monday to Friday)

  Tel +679 3318101
  Fax +679 3318074

Tonga Pacific Country Office

Balwyn FAOTUSIA (Ms)
Suite 3, Level 3, Reserve Bank Building, Salote Road, Kolofo’ou, Nuku’alofa, Tonga
  Tel +676 28735

Holidays 2022

The Tonga Pacific Country Office is closed on these dates:

New Year's Day January 3 (Monday) in lieu of January 1
Good Friday April 15 (Friday)
Easter Monday April 18 (Monday)
ANZAC Day April 25 (Monday)
Emancipation Day June 6 (Monday)
Birthday of His Majesty King Topou VI July 4 (Monday)
Birthday of His Royal Highness the Crown Prince Tupoto'a 'Ulukalala September 19 (Monday)
Constitution Day (National Day) November 4 (Friday)
King Tupou I Day December 5 (Monday)
Christmas Day December 27 (Tuesday) in lieu of December 25

Last updated: 28 December 2021