Successful advertisers achieve an average profit return on investment (ROI) of 2.26:1, according to an analysis of WARC's database of 1,169 case studies of successful advertising campaigns.

Why it matters

Profit ROI (also known as ROMI or payback) can be a useful measure for advertisers because it allows you to compare the efficiency of different campaigns with different budgets. It also allows you to compare the return from your campaign with the returns from alternative investments.

WARC's latest report also finds that automotive and retail advertisers achieve the highest return on investment. However, the competitive nature of big-budget categories like...