Yams Yield by Country

Guyana ranks highest in global yam yield, producing 79,982.6 kg/ha, far surpassing other countries. Japan and Vanuatu follow, while some countries struggle with significantly lower yields. This analysis explores the top and bottom yam-yielding nations and key global trends in production efficiency.

Top 5 Countries with the Highest Yam Yield

Guyana leads with 79,982.6 kg/ha
Japan follows with 23,901.1 kg/ha
Vanuatu ranks third with 20,028.6 kg/ha
Fiji records 20,000 kg/ha
Ghana rounds out the top five with 18,583.2 kg/ha

Bottom 5 Countries with the Lowest Yam Yield

New Caledonia has the lowest yield at 857.5 kg/ha
Niue follows with 1,124.9 kg/ha
Sudan records 2,073.9 kg/ha
South Sudan produces 2,476.3 kg/ha
Samoa rounds out the bottom five with 3,080 kg/ha

Which Country Has the Highest Yam Yield?

Guyana stands out as the top yam-yielding country, producing an impressive 79,982.6 kg/ha. This yield is more than three times higher than Japan, the second-ranked country.

Why Do Some Countries Have Higher Yam Yields?

Top yam-yielding countries like Guyana and Japan benefit from favorable soil conditions, efficient irrigation, and improved farming techniques. In contrast, lower-yielding nations often face challenges such as poor soil fertility, inadequate rainfall, and limited agricultural resources.

What Are the Global Trends in Yam Yield?

Yam yields vary significantly across the world, with some countries achieving over 70,000 kg/ha while others struggle to reach 1,000 kg/ha. Higher-yield nations often use improved seed varieties and modern cultivation techniques.

How Do High-Yield and Low-Yield Countries Compare?

Guyana’s yam yield is nearly 93 times higher than New Caledonia’s, highlighting vast disparities in agricultural efficiency. Countries with high yields optimize land use and apply advanced farming methods, while low-yield nations rely on traditional cultivation techniques.