Why MongoDB is so popular in today's world?

MongoDB is popular among new developers due to it’s flexibility and ease of usage. Even though it’s easy to use it still provides all the capabilities needed to meet the complex requirements of modern applications. A lot of developers like Mongo because it stores all of it’s documents in JSON.

MongoDB is highly scalable, using shards. Horizontal scalability is a big plus in most NoSQL databases. MongoDB is no exception. It is also highly reliable due to its replica sets, and the data is replicated in more nodes asynchronously.