As of my knowledge cutoff in May 2023, some of the highest follower niches on Instagram include:

Fashion and lifestyle: Accounts focusing on fashion trends, outfit inspiration, beauty tips, and lifestyle content often have a large following on Instagram.

Fitness and wellness: Accounts that share fitness routines, workout tips, healthy recipes, and overall wellness content tend to attract a significant number of followers.

Travel and adventure: Instagram accounts showcasing beautiful destinations, travel experiences, and adventure activities are popular among travel enthusiasts and inspire a large following.

Food and cooking: Accounts dedicated to food, recipes, and culinary experiences have a wide appeal and attract a substantial following, especially with the rise of food blogging and influencer culture.

Beauty and makeup: Instagram accounts sharing makeup tutorials, product reviews, beauty tips, and showcasing creative makeup looks tend to have a strong following in the beauty community.

Photography: Accounts showcasing stunning photography, whether it's nature, portraits, architecture, or creative concepts, often amass a large number of followers.

Parenting and family: Instagram accounts focused on parenting advice, family activities, and sharing personal experiences related to parenting often attract a dedicated and engaged following.

It's important to note that the popularity of niches on Instagram can change over time, and new niches can emerge as trends evolve. Additionally, the success of an account depends on factors such as content quality, engagement with the audience, and authenticity and some influencers buy 1000 Instagram followers and make the hike in audience