The surveys generally contain observations on households with incomes close to zero, which, in addition to households that have scarce resources, also include those who did not respond to income questions or misreported extremely low values. Given that the income declared in the survey is scaled up under the simulation, the presence of observations with income equal or very close to zero can affect the results significantly. On the one hand, three countries in the region (Argentina, Chile and Uruguay) already have extreme poverty levels below 3%, and Costa Rica and Peru would need less than 1.5% growth per year, without distributive change.