Check your BMI as it takes account of height as well.
Choosing a diet is a minefield, low carb keto type diets are quite popular but I regularly read negatives about these long term by people no longer doing it.
Easier to just eat healthier, carbs/starches and very important low fat, so stop the junk processed food or once a week max.
I like Dr John McDonald, but there are carb phobics on here that don't. Check YouTube