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
164305
2012
124092
2013
238961
2014
225902
2015
178733
2016
304298
2017
400461
2018
417261
2019
480141
2020
339699
Produced
339,699 tonnes
Estimated postharvest losses
16.1%
/ 54,611 tonnes
Production quantity
Estimated postharvest losses
83.9237Production quantity: 339,699 tonnes
16.1Estimated PHL: 54,611 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
93.58Remaining: 93.58% Est. PHL: 6.42%
6.42Remaining: 93.58% Est. PHL: 6.42%
Further drying
89.58Remaining: 89.58% Est. PHL: 4%
4Remaining: 89.58% Est. PHL: 4%
Threshing and Shelling
88.26Remaining: 88.26% Est. PHL: 1.32%
1.32Remaining: 88.26% Est. PHL: 1.32%
Transport from field
85.86803Remaining: 85.86803% Est. PHL: 2.39197%
2.39197Remaining: 85.86803% Est. PHL: 2.39197%
Household-level storage
82.98684Remaining: 82.98684% Est. PHL: 2.88119%
2.88119Remaining: 82.98684% Est. PHL: 2.88119%
Transport to market
81.33684Remaining: 81.33684% Est. PHL: 1.65%
1.65Remaining: 81.33684% Est. PHL: 1.65%
Market storage
78.68684Remaining: 78.68684% Est. PHL: 2.65%
2.65Remaining: 78.68684% 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.