In 2022, search advertising spending is expected to amount to ***** billion U.S. dollars worldwide. This amount is projected to grow to about ***** billion U.S. dollars by the end of 2024. Display advertising, which reached *** billion U.S. dollars, accounted for the largest ad spend share in 2021. Digital ads in selected countries worldwide In 2022, the United States is forecast to spend nearly *** billion U.S. dollars on digital ads, which was more than that of China, the United Kingdom, Japan, and Germany combined. The United Kingdom was the leading European country in terms of digital ad expenditure. In the first half of 2021, the UK spent roughly *** billion GBP on search advertising, specifically. Digital ads in the United States In 2019, retail-related products and services made up about ** percent of all digital ads in the United States, meaning the retail industry accounted for the largest share of the total digital ad spend that year. Other significant industries on the list included automotive, financial services, and computing products & consumer electronics.