To view the list of studies used to estimate these losses, please see the References tab.
Production quantity and estimated postharvest losses
Production quantity (tonnes)
Estimated postharvest losses (tonnes)
2011–2021
2011
3895181
2012
3623924
2013
3641440
2014
3978123
2015
2776277
2016
2370493
2017
3464139
2018
2697959
2019
3391924
2020
3785713
Produced
3,716,479 tonnes
Estimated postharvest losses
17.0%
/ 632,860 tonnes
Production quantity
Estimated postharvest losses
82.9715Production quantity: 3,716,479 tonnes
17.0Estimated PHL: 632,860 tonnes
See full postharvest losses data table with estimated losses in
percentage ›
| tonnes ›
Value chain
Production quantity and estimated postharvest losses in % per value chain step. Please note that once loss has occurred at harvesting, the percentage loss in the next stage is a percentage of what remained, not of the original amount.
Estimated % of crop left
Estimated % of crop lost
Amount remaining(%)
Estimated postharvest loss(%)
Production
100Remaining: 100% Est. PHL: 0%
0Remaining: 100% Est. PHL: 0%
Harvesting/field drying
93.6917Remaining: 93.6917% Est. PHL: 6.3083%
6.3083Remaining: 93.6917% Est. PHL: 6.3083%
Further drying
89.71341Remaining: 89.71341% Est. PHL: 3.97829%
3.97829Remaining: 89.71341% Est. PHL: 3.97829%
Threshing and Shelling
88.35283Remaining: 88.35283% Est. PHL: 1.36058%
1.36058Remaining: 88.35283% Est. PHL: 1.36058%
Transport from field
85.97579Remaining: 85.97579% Est. PHL: 2.37704%
2.37704Remaining: 85.97579% Est. PHL: 2.37704%
Household-level storage
81.77304Remaining: 81.77304% Est. PHL: 4.20275%
4.20275Remaining: 81.77304% Est. PHL: 4.20275%
Transport to market
80.12685Remaining: 80.12685% Est. PHL: 1.64619%
1.64619Remaining: 80.12685% Est. PHL: 1.64619%
Market storage
77.47685Remaining: 77.47685% Est. PHL: 2.65%
2.65Remaining: 77.47685% Est. PHL: 2.65%
See full value chain data table with estimated losses in
percentage ›
| tonnes ›
Nutrition
Number of people whose annual dietary requirements (in terms of energy, kcal) could have been met by consuming the maize that was lost postharvest, and what % of the focal group of the population this number equates to.