Writing a popular song is a complex process that requires a combination of creativity, skill, and a bit of luck. Here are some steps that you can follow to increase your chances of writing a popular song:

1. Choose a catchy melody: A great melody is the foundation of any good song. Choose a melody that is simple, memorable, and easy to sing along to.
2. Write a relatable and emotional lyrics: Your lyrics should tell a story that people can relate to. Use language that evokes emotions, and try to be as specific as possible to create a vivid picture in the listener’s mind.
3. Keep it simple: Pop songs typically have simple structures, with a verse-chorus-verse-chorus-bridge-chorus structure being the most common. Keep your lyrics and melody simple and easy to follow.
4. Experiment with different sounds and instruments: Try to create a unique sound that will help your song stand out from the crowd. Experiment with different sounds and instruments to create something fresh and interesting.
5. Collaborate with other songwriters and producers: Working with other songwriters and producers can bring new ideas and perspectives to your music. Collaborating with others can help you refine your ideas and create something truly special.
6. Make a memorable hook: A hook is a catchy phrase or melody that sticks in people’s minds. Try to create a memorable hook that will keep people coming back to your song.
7. Focus on production value: In today’s music industry, production value is essential. Make sure your song is professionally recorded, mixed, and mastered to give it the best chance of success.
8. Promote your song: Once your song is complete, make sure to promote it as much as possible. Share it on social media, send it to music blogs, and try to get it played on radio stations.

Remember, there is no one-size-fits-all formula for writing a popular song. It takes a combination of creativity, hard work, and a bit of luck to create something truly special. Keep experimenting, refining, and promoting your music, and you may just write the next big hit.