Long term care insurance is typically purchased when an individual is younger and healthier, as premiums tend to be lower. However, there is no specific deadline for purchasing long term care insurance. The best time to buy long term care insurance is when you are in good health and able to qualify for coverage. As you age, the cost of premiums may increase and you may develop health conditions that could make it more difficult to obtain coverage. It is generally recommended to consider long term care insurance in your 50s or early 60s, but it is never too late to explore your options. Keep in mind that the cost and availability of long term care insurance can vary depending on factors such as your age, health, and the insurance provider. It is always a good idea to consult with a financial advisor or insurance professional to determine the best time for you to purchase long term care insurance. They can help you assess your needs, evaluate different policies, and guide you through the application process. Remember, the earlier you start planning for long term care, the more options you may have available to you.