The wealth of a household (and its members) is based on a measure that includes information on both standardised disposable income and capital. Rankings of households by income level and assets are the starting point. A household’s wealth is defined as the sum of the cumulative share of the total income of all households and the cumulative share of total assets. Based on this total, households are ranked again from low to high and divided into four groups of equal sizes (quartiles). In the lowest wealth quartile, households have a low income and fewer assets. The higher the income and assets, the higher the quartile to which a household is assigned. Households in the highest quartile have both a high income and more assets.
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