Visme provides good advice for creating good infographics. Here is what they recommend.
1. Have the infographic tell a story.
2. Take your eyes on a predefined journey.
3. Provide a new angle of approaching the subject.
4. Have the infographic add value to the audience.
5. Be sure to well-structure the components.
6. Send one key message.
7. Make the infographic visually appealing.
8. Create an infographic that is accurate and well-researched.
9. Make copy short and sweet in any infographic created.