
When determining how long your credit history is, consider the age of each account. Let's assume you have three creditcards: Card one is three years old; Card two is five years old; and Card three is one year. In this case, your credit history age is three years.
15 points
Your credit score may be affected by how long you have had your credit history. When determining your credit score models, credit scoring models account for how old the oldest account is. Check out your credit reports to determine how old your oldest bank account is. This information can help you improve your credit score. You can improve your credit score by doing a few things.
128 points
You can increase your credit score by paying more on your credit cards than the minimum and by reducing the total balance on all of your credit cards. To prevent going over your credit limit, it is important to set your own credit limit. Lenders will want to see evidence of good credit management over an extended period of time. The length of your credit history is worth about 128 points. It shows the date you opened each account and the last time you made a payment.

Although you are not eligible for a loan or creditcard if you have a credit score below 128, there are still ways to improve your credit score. Although it can take several years to get your credit score up to a high standard, it is possible.
Age
Your score will be affected by your credit history. The general rule of thumb is that the more credit accounts you have, generally, the higher your score. Additionally, closing a credit line can cause a drop in your score. There are many ways to minimize the effects of closing a credit card.
The average number of years in which you have been a credit card holder is used to calculate the age of your credit record. For example, three credit cards equals three years. If you have five or more cards, your credit score would be seven.
Inquiry by hard copy
You can manage your credit score by being diligent and monitoring it frequently. Many banks offer tools that can be used to check your credit score and credit reports for free. Experian offers access to your FICO(r), Score for free. You can minimize the impact of hard inquiries by monitoring your credit reports regularly.

Lenders will ask you for a copy if your credit report is needed to approve you for a loan. This is known as a hard inquiry, and it will lower your credit score by a few points. However, these inquiries will stop being calculated in your credit score after a year. These inquiries will also disappear after two years.
Average account age
You should consider the average age for your accounts when looking at your credit record. A long history will increase your credit score, while a short history will decrease it. Your credit history can be affected by many factors, such as your age and demographics. Keeping your credit accounts open and current can increase your average age of credit history.
Having a long credit history will benefit you when applying for a loan or applying for a credit card. You will have a lower average age if you open credit accounts. It is important to be cautious when opening new accounts, unless they are going to help you reach your goals.