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Global Supply Indicator

The Global Supply Indicator assesses whether forecasted production is sufficient to meet forecasted demand. The indicator takes into account changes on both sides of the global food equation:

  1. Production and storage from the supply side.
  2. Changes in population and income from the demand side.

Existing supply forecasts do not account for changes in demand due to population growth and income and they do not provide an easily understandable assessment on the severity of potential shortages. The Global Supply Indicator translates these factors in order to demonstrate the severity of risk via the traffic light system.

A more detailed description of how this risk indicator is calculated and assessed can be found under ‘methods’.

Global Supply

How to interpret this indicator?

  • The blue line shows the monthly risk indicator with its (moving) average depicted by the green line.
  • The yellow and red lines respectively denote one and two standard deviations from the moving average.
  • The green shaded area refers to low or minimal food insecurity.
  • When the risk indicator surpasses the yellow line, it shows that the demand is exceeding the forecasted supply at a concerning rate. This area is shaded yellow.
  • When the risk indicator surpasses the red line, it shows that the demand is exceeding the forecasted supply at an alarming rate. This may lead to high market prices and potentially serious food shortages in vulnerable regions.

Advantages of this indicator?

  • Risk is better understood by considering both the supply and demand side of the indicator.

What does this indicator capture?

  • Shortfalls in global food supply to four keys crops worldwide.
  • Strong signals on likely food price developments.
  • Forecasted changes in population.
  • Forecasted changes in GDP.
  • A complementary tool to other national level indicators. (In the future we plan to extend this indicator to provide country-specific supply shortage warnings by integrating trade and national supply and demand forecasts).