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1.FAO Hunger Indicators2.Concepts on food and nutritionsecurity3. Parameters for estimating MDGhunger indicator4. Sources and types of data5.Indicators of food and nutritionsecurity6. Levels of food and nutrition
security indicators usingconsumption data from NHIES7. Conclusions
Overview
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FAO Hunger Indicators
Target 1C - Halve, between 1990 and2015, the proportion of people whosuffer from hunger
MDG Hunger indicator 1.9:
Reduce the proportion of population belowminimum level of dietary energy
requirement (MDER) by half by 2015.
World Food Summit Target :
Reduce the number of undernourished peopleby half by 2015.
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0
0.5
1
1.5
500 1500 2500 3500 4500 5500
r L
x
p(U)
unimodal
skewed
X(Kcal/person/day)
Prevalence of Undernourishment
minimum energyrequirement mean dietaryenergy consumption
The FAO approach for estimating Dietary Energy
Deprivation
Theoretical framework : Lognormal Distribution
Distribution of Dietary EnergyConsumption
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Concepts of food andnutrition security
Physical existence of food(production/trade)
Inequality of foodconsumption
Ability of the human body to
digest and metabolize food
Sustainability of Food Consumption
SUA/FBSDES (DEC)
HIESCV of DEC
HIES &Nutrition
surveysMDER/ADER
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The FAO approach for estimating food deprivation
Based on three key parameters:1. Energy consumption per person (DES) as derived from
- Food Balance Sheet (FBS)
2. Inequality in access to food (CV of DEC)
- National household income and expenditure survey (NHS)
3. The minimum dietary energy requirement (MDER)
- Based on International Dietary Energy Requirement Normsusing country age/sex structure of the population and heightdata.
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x per caput DES
Estimation of the mean x (Dietary Energy Supply)
sourceproviding
estimates
every year for all countries
FAOs /Country FoodBalance Sheets
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Food Available for Human Consumption (DES)from Food Balance Sheet
Gross Production
- Harvest Loss= Net Production
+ Beginning Stocks+ Imports
= Gross Food Availability
- Exports
- Feed- Seed
- Post-Harvest Loss
= Net Food Availability
Net Food Availability
- Ending Stocks- Non-food uses
= Household Consumption
- Intra-House Waste
- Non-HumanConsumption
== Human Food Consumption
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Countrys Food BalanceSheet
Food Balance Sheets aim is calculate the totalfood availability per country and yearexpressed in their nutritive value (Kcal).
From these values and the availablepopulation estimates, the dietary energyconsumption (Kcal/person/day) is derived.
Dietary energy consumption(kcal/person/day) is the base for thecomputation of indicators of food security of a country.
Undernourishment refers to the condition of peoplewhose dietary energy consumption is continuously
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Total Variation
Other sources
SeasonalvariationVariation due
to income
7.2
Variation dueto biological factors
The FAO approach for estimating food deprivation
Sources of variation of inequality in access tofood (DEC)
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)|()|()( 22 r xCV v xCV xCV +=
variation of energy consumption
Variation due torequirement approx.20%
variation according to levels of income
The FAO approach for estimating food deprivation
Estimation of the inequality in access to food as givenby the CV (Coefficient of Variation) of DEC
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Minimum Dietary Energy Requirement
Recommended Energy Requirement by Age and
Sex -Joint FAO/WHO/UNU Expert Consultationon human energy requirements (FAO/WHO/UNU,2004).
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Administrative Records ( quantitative )Population Census ( quantitative )Agricultural Census/Surveys ( quantitative )Household Surveys (Income/Expenditure;
(quantitative)Special surveys Crop plantations; (quantitative)
Nutrition surveys; (quantitative)
No single source can provide all the foodThese sources are complementary
Sources and Type of FoodData (Country)
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FAO Estimates of Dietary Energy Deprivation
(Prevalence of Undernourishment or Food Deprivation)
MDG Indicator 1.9 (National)(FAO SOFI)
Proxy of MDG 1.9National
and Regional levels
Dietary EnergySupply (DES)
Dietary Energy Consumption(DEC)
Food Balance Sheet
(FBS)
National household survey(NHS)
Coefficient of Variation (CV) of the distributionof Dietary Energy Consumption (DEC)
Minimum Dietary Energy Requirement (MDER)
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Analysis of Country Agricultural and Food Data
1. Supply and Utlization Accounts (SUA)
Compilation of FBS(Improved Crop Production Estimation
Methodology; Appropriate tools for SUA and FBS)
2. Food Security Analysis of NHIES( Use of ADePT tool)
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Conclusions
Countries have the agricultural and food data for a food and
nutrition analysis at national and sub-national levels
(NHIES/FBS).
Build capacity to compile FBS and reconciliation with NHIES.
Use of own production data to supplement production data
Improved estimation methods of crop production
SUA/FBS compilation toolsInstitutional contribution for the collection and analysis of
quality and consistent agricultural and food data to derive
timely food and nutrition security indicators.
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Thank you