1. KATY PERRY @katyperry 55,404,601

2. Justin Bieber @justinbieber 53,523,478

3. Barack Obama @BarackObama 45,021,648

4. YouTube @YouTube  44,269,228

5. Taylor Swift @taylorswift13 42,565,547  

6. Lady Gaga @ladygaga 41,765,354

7. Britney Spears @britneyspears 38,431,447  

8. Rihanna @rihanna 36,745,448  

9. Instagram @instagram 34,420,713  

10. Justin Timberlake @jtimberlake 33,765,665

Source Twitter Counter