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Tonga and ADB

ADB’s program in Tonga focuses on investments in energy, information and communication technology, transport, and water and urban infrastructure that will reduce the costs of key services and improve overall productivity.


ADB began working with Tonga in 1972 and has since committed $70.2 million in loans, $207.9 million in grants, and $23.3 million in technical assistance for the country. Cumulative loan and grant disbursements to Tonga amount to $134.4 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:
$5.89 million

Paid-in capital subscription:
$0.29 million

In the Spotlight

  • Improving ADB Operations in Fragile and Conflict-affected Situations and Small Island Developing States
    Video | 18 February 2021
    Improving ADB Operations in Fragile and Conflict-affected Situations and Small Island Developing States

    ADB is improving our operations to address the specific challenges and requirements of FCAS and SIDS. Addressing the needs of these vulnerable communities is essential for a prosperous, inclusive, resilient, and sustainable Asia and the Pacific.

  • How “Smart Ports” can be a game changer in the Pacific
    Article | 1 February 2021
    How “Smart Ports” can be a game changer in the Pacific

    The Asian Development Bank (ADB) study Smart Ports in the Pacific explores how adapting international best practices for ports in the Pacific is important for achieving smarter, more robust port ecosystems.

  • Pacific Energy Update 2020
    Country Planning Documents | 19 January 2021
    Pacific Energy Update 2020

    This document provides an overview of ADB’s ongoing and completed initiatives in the Pacific energy sector as of 2020, including work to scale up operations and finance new sources of renewable power.

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.

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

Suite 3, Level 3, Reserve Bank Building, Salote Road, Kolofo’ou, Nuku’alofa, Tonga
  Tel +676 28735

Holidays 2021

The Tonga Pacific Country Office is closed on these dates:

New Year's Day January 1 (Friday)
Good Friday April 2 (Friday)
Easter Monday April 5 (Monday)
Emancipation Day June 7 (Monday)
Birthday of His Majesty King Topou VI July 5 (Monday)
Birthday of His Royal Highness the Crown Prince Tupoto'a 'Ulukalala September 17 (Friday)
Constitution Day (Tonga National Day) November 8 (Monday)
King Tupou I Day December 6 (Monday)
Christmas Eve December 24 (Friday)
Boxing Day December 27 (Monday)

Last updated: 16 December 2020