Weighting factors shall be calculated as required to take into account the units' probability of selection, non-response and, as appropriate, to adjust the sample to external data relating to the distribution of households and persons in the target population, such as by sex, age (five-year age groups), household size and composition and region (NUTS II level), or relating to income data from other national sources where the Member States concerned consider such external data to be sufficiently reliable.
Faktorji uteževanja se izračunajo po potrebi, da bi upoštevali verjetnost izbire enote, neodgovora in, kot je ustrezno, da bi prilagodili vzorec zunanjim podatkom v zvezi z razporeditvijo gospodinjstev in oseb v ciljni populaciji, kot na primer po spolu, starosti (petletni starostnni razredi), velikosti in sestavi gospodinjstva ter regiji (raven NUTS II), ali v zvezi s podatki o dohodkih iz drugih nacionalnih virov, če zadevne države članice menijo, da so taki zunanji podatki dovolj zanesljivi.