The food which is not used up, along the production chain, represents 1.4% of GDP (Gross Internal Product) which exceeds the quantity of 17,25 billion Reais.
Source: Estimate of the Supply and Agriculture Department of the state of São Paulo. ( Report of 1992).
This amount represents almost twenty times the annual budget available for the school children’s meals , and would be enough to feed 30 million people in need.

Currently, of the 10 thousand tons of products that enter daily into CEAGESP, (the city of S. Paulo main market), 1% (100 tons) becomes garbage; which means 100 thousand Kilos per day. Between 30% and 50% of the garbage is made up of food which is good for use.
Source: Supply Center for the State of São Paulo.
This means that between 30 and 50 tons per day could feed great part of the needful population, in case this surplus were to be directed to the Food Banks.

Approximately 64% of what is planted in Brasil is lost along the production chain: 20% during the harvest, 8% in transportation and storage, 15% in the processing process, 1% in the retail sales, and 20% in the culinary processing and feeding habits. Still according to the same source, 70 thousand tons of food becomes garbage in Brasil.
Source: Caderno Tematico “Nutrition and the conscientious consumption” of the Akatu Institute (2003).
Very serious numbers for a country where every 5 minutes a child dies of problems related to hunger.

Of the 83 million tons of the grains produced annually, something like between 10% and 30% get lost on the way between the harvest and the final consumer. In the fruit production (30 million tons per year), the waste varies between 20% and 35%, while in the vegetable segment (27 million tons per year) the losses vary between 20% and 50%, that means that the waste may reach up to 48,9 million tons per year.
Source: Getúlio Vargas Foundation

According to the Paulista Association of Supermarkets (Associação Paulista de Supermercados - APAS) 23% of the total production of the vegetables and fruit is wasted, which means approximately 13 million tons of vegetables and fruit.
Source: APAS, 1999.

In the street markets in the State of S. Paulo more than 1.000 tons of food products are thrown away every day.
Source: FAO – UN . Mentioned in the book “ Mesa S. Paulo - Action against Hunger and Waste

Info on starvation, waste and malnutrition
The various Faces of Brazil
More info on waste and its consequences
More info on starvation and its consequences.
Conclusion
What is starvation, malnutrition and subnutrition