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Headline data

Growth rates of household expenditure or income per capita among the bottom 40 per cent of the population and the total population
Year Value Units Series
2021 -0.3 % Growth rate of household per capita expenditure
2017 0.8 % Growth rate of household per capita expenditure
2020 -1.1 % Growth rate of household per capita expenditure
2014 0.1 % Growth rate of household per capita expenditure
2013 0.0 % Growth rate of household per capita expenditure
2018 1.2 % Growth rate of household per capita expenditure
2016 0.5 % Growth rate of household per capita expenditure
2015 0.6 % Growth rate of household per capita expenditure
2022 1.3 % Growth rate of household per capita expenditure
2011 1.7 % Growth rate of household per capita expenditure
2019 1.7 % Growth rate of household per capita expenditure
2012 0.5 % Growth rate of household per capita expenditure
2012 0.1 % Growth rate of per capita household expenditure of the poorest 40 %
2016 -0.1 % Growth rate of per capita household expenditure of the poorest 40 %
2021 -0.1 % Growth rate of per capita household expenditure of the poorest 40 %
2022 1.3 % Growth rate of per capita household expenditure of the poorest 40 %
2014 -0.2 % Growth rate of per capita household expenditure of the poorest 40 %
2018 1.0 % Growth rate of per capita household expenditure of the poorest 40 %
2011 1.6 % Growth rate of per capita household expenditure of the poorest 40 %
2017 0.6 % Growth rate of per capita household expenditure of the poorest 40 %
2019 1.3 % Growth rate of per capita household expenditure of the poorest 40 %
2013 -0.3 % Growth rate of per capita household expenditure of the poorest 40 %
2020 -1.3 % Growth rate of per capita household expenditure of the poorest 40 %
2015 0.3 % Growth rate of per capita household expenditure of the poorest 40 %
2012 0.7 % Growth rate of household per capita income
2014 0.4 % Growth rate of household per capita income
2022 3.2 % Growth rate of household per capita income
2020 5.2 % Growth rate of household per capita income
2024 2.7 % Growth rate of household per capita income
2018 2.8 % Growth rate of household per capita income
2016 0.9 % Growth rate of household per capita income
2022 2.9 % Growth rate of per capita income of households of the poorest 40 %
2024 2.5 % Growth rate of per capita income of households of the poorest 40 %
2020 3.9 % Growth rate of per capita income of households of the poorest 40 %
2016 0.5 % Growth rate of per capita income of households of the poorest 40 %
2018 3.1 % Growth rate of per capita income of households of the poorest 40 %
2014 -0.8 % Growth rate of per capita income of households of the poorest 40 %
2012 0.4 % Growth rate of per capita income of households of the poorest 40 %
2016 0.5 Ratio Relative growth index of the income of the poorest 40 %
2020 0.8 Ratio Relative growth index of the income of the poorest 40 %
2014 -2.1 Ratio Relative growth index of the income of the poorest 40 %
2018 1.1 Ratio Relative growth index of the income of the poorest 40 %
2012 0.6 Ratio Relative growth index of the income of the poorest 40 %
2024 1.0 Ratio Relative growth index of the income of the poorest 40 %
2022 0.9 Ratio Relative growth index of the income of the poorest 40 %

Geographical Area:

Unit of Measurement:

Footnote:

Methodological sheet of the indicator available for the Autonomous Community of the Basque Country.

Available indicator

Growth rates of household expenditure or income per capita among the bottom 40 per cent of the population and the total population. Relative growth index of the income of the poorest 40 per cent
Target

10.1 By 2030, progressively achieve and sustain income growth of the bottom 40 per cent of the population at a rate higher than the national average
Goal

10- Reduce inequality within and among countries
Definition
  • Average annualized growth rate over a five-year period of income and expenditure per capita of households in the poorest 40% of the population of the autonomous community (40% of people with the lowest income per consumption unit (modified OECD scale)) and of the total population.
  • Growth of household income among the bottom 40 per cent relative to the average index.
Theoretical formula

Growth rates expenditure or income per capita

The annualized growth in average real per capita income or consumption is calculated by first estimating the average real per capita income or consumption of the bottom 40% of the welfare distribution in years T0 and T1 and then calculating the average annual growth rate between those years using a compound growth formula:

Crecimiento del ingreso o consumo = \(\left( \frac{Average\, T_1}{Average\, T_0} \right)^{\frac{1}{T_1 - T_0}} - 1\)

The growth in average real per capita income or consumption of the total population is calculated in the same way using data for the total population.

Relative growth index of the income of the poorest 40 %

\[I_{relative}^{t} = \frac{TC_{40}^{t}}{TC^{t}}\]

where:

$TC_{40}^{t} =$ Growth rate of per capita income of households of the poorest 40 %, in year $t$

$TC^{t} =$ Growth rate of household per capita income, in year $t$
Available disaggregations

Province
Frequency

Annual
Observations

The number of units of consumption of a household is calculated using the modified OECD scale, which assigns a weighting of 1 to the first person aged 14 or over, a weighting of 0.5 to other persons aged 14 or over and a weighting of 0.3 to persons under the age of 14.

In the relative growth index, the objective is sustain income growth of the bottom 40 per cent of the population at a rate higher than the national average. A value above 1 indicates this superiority.
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Indicator calculated using a methodology harmonised across the central statistical bodies of the autonomous communities
Data last updated 2026/10/16
Metadata last updated 2026/10/23

This section provides more information about the United Nations indicator or the European Union Sustainable Development Indicator, such as its rationale, international results, metadata, and other relevant statistics.

Rationale

Improvements in shared prosperity require both a growing economy and a consideration of equity. Shared prosperity explicitly recognizes that while growth is necessary for improving economic welfare in a society, progress is measured by how those gains are shared with its poorest members.

Moreover, in an inclusive society it is not sufficient to raise everyone above an absolute minimum standard of living; it must ensure that economic growth increases prosperity among the poor over time.

The decision to measure shared prosperity based on income or consumption was not taken to ignore the many other dimensions of welfare. It is motivated by the need for an indicator that is easy to understand, communicate, and measure – though measurement challenges exist. Indeed, shared prosperity comprises many dimensions of well-being of the less well-off, and when analyzing shared prosperity in the context of a country, it is important to consider a wide range of indicators of welfare.

Source: United Nations Statistics Division
Comparability between the available indicator and the UN indicator

The available indicator complies with United Nations metadata.
Link to UN metadata

Metadata 10-1-1.pdf
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