A marketing team wants to scale its reach to new prospects most similar to its top 5% of purchasers. What is the most effective Lookalike Audience percentage range to balance similarity with reach for this specific goal?

A Lookalike Audience is a powerful targeting tool used by marketers to find new potential customers who share similar characteristics with an existing group of valuable customers, known as a source audience. In this scenario, the source audience is the marketing team's top 5% of purchasers. This is an excellent source audience because these individuals represent the most engaged and high-value customers, meaning they are highly likely to convert again or spend more, making them an ideal blueprint for finding new prospects. When creating a Lookalike Audience, advertising platforms allow marketers to select a percentage range, typically from 1% to 10% of the total population in the target country or region. This percentage dictates the balance between simil....