The average American woman will spend $20,557 in her lifetime on shoes.
Researchers found the typical female will own 268 pairs during her adult life and blow $4,364 on shoes which either don't fit properly, or have been worn once - or never worn.
The study also found the majority of the money goes on plain black work shoes, block-color ballerina pumps, comfortable ankle boots and stiletto heels.
Online retailer W Concept commissioned the study which involved 1,000 American women aged 18 to 60 across all 50 states.
THE LIFETIME COST OF A SHOE CLOSET: A STYLE BREAKDOWN
Designer heels - $6,043
Plain black work shoes - $1,745
Summer sandals - $2,484
Plain black stiletto heels - $1,141
Beach flip-flops - $1,913
Cork wedges - $738
Power heels - $839
Casual boots - $1,477
Block-color pumps - $637
Black leather boots - $1,594
Gold strappy sandals - $805
Pastel-coloured wedding heels - $671
Red stiletto heels - $470
TOTAL LIFETIME SPEND - $20,557
Unworn shoes - $1,678
Shoes worn once or twice - $2,686
Shoes we can't walk in - $2,182
Shoes we buy with no occasion to wear - $8,729
*Wasted spending figures differ from the $4,364 figure in the main article due to crossover between sections.