Studies & Intelligence

Arable land but import-dependent food: Tonga

Tonga imports roughly 36 times more than it exports, food makes up about 30% of its merchandise import bill, and half of its farmland lies fallow. The opening is a small, cyclone-hardened aggregation, cold-chain and processing hub on Tongatapu that turns surplus root crops, fish and horticulture into products that displace frozen imports, financed with grants and equity rather than new sovereign debt.

Tonga (population about 104,000) has fertile land, a farming culture in which most households grow food, and established export niches in root crops and kava. Yet its merchandise trade is profoundly lopsided: in the first quarter of 2026 the kingdom imported T$190.8 million of goods and exported T$5.3 million. Food accounts for about 29.9% of merchandise imports, imported fatty meats have been linked to some of the world's highest obesity rates, and the 2015 agricultural census found half of agricultural land fallow and about 95% of farming households subsistence or semi-subsistence. The binding constraints are not soil or skills but aggregation, cold chain, food-safety certification, labour lost to emigration and seasonal work abroad, disaster exposure and a land system that allows leases but never sales. This study sizes the import-substitution prize (around US$4 million to US$18 million a year at 5% to 20% displacement of an indicative US$88 million food import bill), sets out a phased hub-and-outgrower model, maps the legal route (Foreign Investment Act 2020, Cabinet-consented leases, the 2023 UAE-Tonga investment agreement) and explains where Gulf food-security capital fits: as catalytic grant, equity and co-financing alongside programmes already in the field, not as a sovereign lender and not as a staple-supply base for the Gulf.