In digital marketing, reach refers to the number of unique individuals who have seen your content, whether it's an ad, social media post, or website page. It's an essential metric because it measures the potential size of your audience and can give insight into the effectiveness of your marketing efforts.

Reach can be measured in a few different ways, depending on the platform you're using. For example, on social media, reach may be defined as the number of unique users who saw your post. In email marketing, reach may refer to the number of recipients who received your email.

Here are some statistics related to reach in digital marketing:

1. Social media platforms have massive reach: As of April 2021, Facebook has over 2.8 billion monthly active users, while Instagram has over 1 billion monthly active users. These numbers highlight the potential reach that social media marketing can have.

2. Video ads can increase reach: Video content is becoming increasingly popular, with 85% of internet users in the United States watching online video content monthly. Video ads have the potential to reach a larger audience than static ads, especially on platforms like YouTube, which has over 2 billion monthly active users.

3. Organic reach is declining: While social media platforms have significant reach, organic reach (i.e., the number of people who see your post without paid promotion) is declining. This is due to the algorithms of these platforms prioritizing content from friends and family over business pages. In 2021, the average organic reach for a Facebook post is around 5.5%, meaning that only about 5.5% of your page's followers will see your post.

Here are some strategies to increase your reach in digital marketing:

1. Use social media advertising: While organic reach is declining, social media advertising allows you to reach a much larger audience. With options for targeting specific demographics, interests, and behaviors, social media advertising can help you reach those most likely to be interested in your product or service.

2. Collaborate with influencers: Influencers have large followings and can help increase your reach through sponsored posts or collaborations. Look for influencers in your industry or niche and work with them to create content that will reach their audience.

3. Optimize your content for search engines: By optimizing your website and blog content for search engines, you can increase the likelihood that your content will appear in search engine results pages (SERPs). This can help increase your reach by making your content more discoverable to those searching for relevant topics.

In conclusion, reach is an essential metric in digital marketing that measures the potential size of your audience. By understanding how to measure and increase reach, you can improve the effectiveness of your digital marketing efforts and reach more potential customers.