In general, an Instagram post with 100,000+ likes and 1,000+ comments will go viral. But it depends on your audience, follower count, and the relative engagement of a post compared to your account averages.
Small Instagram Accounts.. DO THIS to Go Viral on Instagram in 10 Minutes (Viral Ideas)
Try these methods to increase the chances of your content going viral on Instagram.
This obvious tip isn’t just about the age and location of your audience. You’ll need to dig deeper into your Instagram content before you find the specific posts that most of your followers are engaging with. Are they looking for funny memes, informative tutorials, or inspiring stories?
Take advantage of Instagram Insights, the standard analytics tool available to Creator and Business accounts (but not personal accounts). Also, check the demographics that are saving your posts the most and what types of things they’re liking.