New Zealand vs Tonga: Sweet potatoes — Yield
Sweet potatoes — Yield over time
- New Zealand
- Tonga
How they compare
Tonga currently reports 9,901 kg/ha against 9,807 kg/ha in New Zealand, a difference of 94 kg/ha.
The two have swapped places 11 times across 64 shared years of data; in 1961 it was New Zealand ahead.
New Zealand ranks 52nd and Tonga ranks 51st of 110 countries.
Across the 7 decades both report, New Zealand averaged higher in 6 and Tonga in 1.
Head to head by decade
| Decade | New Zealand | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 14,971 kg/ha | 12,053 kg/ha | 2,919 kg/ha | New Zealand |
| 1970s | 14,871 kg/ha | 12,145 kg/ha | 2,726 kg/ha | New Zealand |
| 1980s | 16,465 kg/ha | 12,010 kg/ha | 4,455 kg/ha | New Zealand |
| 1990s | 20,471 kg/ha | 11,956 kg/ha | 8,515 kg/ha | New Zealand |
| 2000s | 13,881 kg/ha | 11,832 kg/ha | 2,048 kg/ha | New Zealand |
| 2010s | 10,662 kg/ha | 10,499 kg/ha | 162.85 kg/ha | New Zealand |
| 2020s | 9,781 kg/ha | 10,012 kg/ha | 230.94 kg/ha | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher sweet potatoes — yield, New Zealand or Tonga?
- Tonga, at 9,901 kg/ha against 9,807 kg/ha in New Zealand as of 2024.
- What is the difference in sweet potatoes — yield between New Zealand and Tonga?
- 94 kg/ha, with Tonga ahead.
- How many years of comparable data are there for New Zealand and Tonga?
- 64 years are reported by both, from 1961 to 2024.
- How do New Zealand and Tonga rank globally for sweet potatoes — yield?
- New Zealand ranks 52nd and Tonga ranks 51st of 110 countries.
- Where does this data come from?
- Food and Agriculture Organization of the United Nations, published as Sweet potatoes — Yield. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Crop and livestock statistics are recorded for 278 products, covering the following categories: 1) CROPS PRIMARY: Cereals, Citrus Fruit, Fibre Crops, Fruit, Oil Crops, Oil Crops and Cakes in Oil Equivalent, Pulses, Roots and Tubers, Sugar Crops, Treenuts and Vegetables. Data are expressed in terms of area harvested, production quantity and yield. Cereals: Area and production data on cereals relate to crops harvested for dry grain only. Cereal crops harvested for hay or harvested green for food, feed or silage or used for grazing are therefore excluded. 2) CROPS PROCESSED: Beer of barley; Cotton lint; Cottonseed; Margarine, short; Molasses; Oil, coconut (copra); Oil, cottonseed; Oil, groundnut; Oil, linseed; Oil, maize; Oil, olive, virgin; Oil, palm; Oil, palm kernel; Oil, rapeseed; Oil, safflower; Oil, sesame; Oil, soybean; Oil, sunflower; Palm kernels; Sugar Raw Centrifugal; Wine. 3) LIVE ANIMALS: Animals live n.e.s.; Asses; Beehives; Buffaloes; Camelids, other; Camels; Cattle; Chickens; Ducks; Geese and guinea fowls; Goats; Horses; Mules; Pigeons, other birds; Pigs; Rabbits and hares; Rodents, other; Sheep; Turkeys. 4) LIVESTOCK PRIMARY: Beeswax; Eggs (various types); Hides buffalo, fresh; Hides, cattle, fresh; Honey, natural; Meat (ass, bird nes, buffalo, camel, cattle, chicken, duck, game, goat, goose and guinea fowl, horse, mule, Meat nes, meat other camelids, Meat other rodents, pig, rabbit, sheep, turkey); Milk (buffalo, camel, cow, goat, sheep); Offals, nes; Silk-worm cocoons, reelable; Skins (goat, sheep); Snails, not sea; Wool, greasy. 5) LIVESTOCK PROCESSED: Butter (of milk from sheep, goat, buffalo, cow); Cheese (of milk from goat, buffalo, sheep, cow milk); Cheese of skimmed cow milk; Cream fresh; Ghee (cow and buffalo milk); Lard; Milk (dry buttermilk, skimmed condensed, skimmed cow, skimmed dried, skimmed evaporated, whole condensed, whole dried, whole evaporated); Silk raw; Tallow; Whey (condensed and dry); Yoghurt.