Cigna and Humana both provide good health insurance for senior citizens. But i would suggest Humana because the Humana plan is available in almost 90% of the US. However, Cigna is only available in 18% of the US. In terms of ratings and quality, Humana gives you better results. Cigna focuses more on wide coverage with wellness services.
Therefore, carefully select a health insurance plan that meets your needs, including your healthcare needs, budget, and quality services.