What it means

Rank people or households by net worth and take the wealthiest 1%. Add up their wealth, then divide it by the total wealth of everyone counted. This gives the top 1% wealth share. It is a share of wealth, not the share of people who are wealthy. Check whether the figure covers individuals or households and what assets are included. Surveys can miss some very wealthy households and some hard-to-measure assets, which matters especially for this measure.

Example

Imagine 100 households with £10 million in combined net worth. If the wealthiest one has £2 million, the top 1% wealth share in this made-up group is 20% (£2 million out of £10 million).

Why it matters

It shows how much wealth is held right at the top. Reading it beside the median or other parts of the ranking gives a fuller picture.

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