lowestincome
Lowest income refers to the portion of a society with the smallest earnings or household resources. In research and policy, this group is usually identified using distributional measures such as the bottom quintile (the lowest 20%), the bottom decile (the lowest 10%), or even the bottom 5%. The term can describe pre-tax market income or post-tax, disposable income, and is often adjusted for household size and composition to allow fair comparisons.
Measurement relies on data from national household surveys, income tax records, and administrative data. Researchers adjust
Why it matters: identifying the lowest income group supports policies aimed at reducing poverty and inequality,
Challenges include data gaps, informal economies, underreporting, and differences in price levels. Economic shocks, rising housing