How can this be true? https://www.statista.com/statistics/416139/full-time-annual-salary-in-the-uk-by-region/ https://www.statista.com/statistics/416139/full-t

How can this be true? https://www.statista.com/statistics/416139/full-time-annual-salary-in-the-uk-by-region/ https://www.statista.com/statistics/416139/full-time-annual-... The average salary in London appears to be 40k? How can Google and quant finance roles be at or below average salary?