How many views must a video have to be considered 'viral'?

The concept of a video being considered 'viral' isn't strictly defined by a specific number of views, as it often depends on various factors such as the platform, context, and audience reach. However, when evaluating the choices, a video that achieves 5 million views typically signifies a significant level of engagement and widespread sharing, which aligns with the common perception of 'viral' content.

A video reaching this level of views often suggests that it has resonated with a large audience and has likely been shared extensively across social media and other platforms. While smaller numbers like 1 or 3 million views might indicate popularity, reaching 5 million views sets a higher threshold that reflects significant virality in today’s fast-paced digital landscape. Therefore, the choice of 5 million views effectively encapsulates the essence of viral content, making it the most suitable answer in this context.