IT market share forecast worldwide 2018-2021, by segment

Telecom services is the largest segment of the global information technology (IT) market in 2021, with a 25 percent share of the market. From 2018 to 2021, telecom services saw a five percent drop in the total market share.电信服务在2021年占据全球信息技术（IT）市场最大份额，市场份额达到25%。自2018年至2021年，电信服务在整体市场份额中呈现了5%的下降趋势。