Why are jeans that are the same size such different sizes?

AMANDA PLATELL: A recent survey found that the average woman owns three pairs of jeans she never wears because the fit is so bad, while six pairs will be disregarded on a shopping trip.

Why a size 10 in M&S is very different to a size 10 in H&M

Angry teenager's tweet shows the difference between six pairs of denims which are all size 12

Your Perfect Jeans, Find the Jeans for Your Body Shape

20 Best Jeans for Women of All Sizes

Experts reveal why women's jeans sizes are different from men's

Woman Shares Picture Showing Jean Size Differences

18 Best Jeans for Women 2020 - Best Fitting Jeans by Style and Body Type

PLATELL'S PEOPLE: The prospect of Penny Mordaunt as Prime Minister fills me with horror

This Is Why Women's Clothes Sizes Are Bizarre and Inconsistent

PLATELL'S PEOPLE: The prospect of Penny Mordaunt as Prime Minister fills me with horror