You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who has the most twitter followers in 2018?" whose answer is Katy Perry.
Each document should contain about 30 words, and these documents should contain useful information.

Query: top twitter users by followers 2018
Useful Output:

Doc 1: This statistic shows the distribution of influencers on Twitter based on the number of followers in Germany in 2018.
Doc 2: Twitter users are younger, more likely to identify as Democrats, more highly educated and have higher incomes than US adults overall.
Doc 3: On average, bios with exactly 91 characters have the most followers. Popular length. Bios differ greatly in length, but the most popular is 160 characters - the
Doc 4: Most followed Twitter accounts 2025 (mm) ; @katyperry, 105 ; @narendramodi, 105 ; @realDonaldTrump, 101 ; @taylorswift13, 94.
Doc 5: 10 Most Followed Twitter Accounts in the World – Aug 2018 [Infographic] · Katy Perry: 106M · Justin Bieber: 104M · Barack Obama: 102M.