The average monthly cost of health insurance for an individual varies widely depending on factors such as age, location, plan type, and coverage level. According to eHealth's Health Insurance Price Index Report, the average monthly premium for an individual health insurance plan in 2021 was $456. However, this can vary significantly based on the factors mentioned earlier. For example, the average monthly premium for a 21-year-old was $200, while for a 60-year-old, it was $647. Additionally, the average monthly premium for a family plan in 2021 was $1,152. It's important to note that these figures are based on data from 2021 and may have changed since then. Factors such as the individual's health, pre-existing conditions, and the specific insurance provider also play a significant role in determining the monthly cost of health insurance. Therefore, it's advisable to obtain personalized quotes from insurance providers to get an accurate estimate of the monthly cost.