Is there still hope for a high income at this age?

I graduated from College of Commerce more than twenty years ago, and I was convinced at the time that I had to increase my skills in order to have a good job. I joined a scholarship to study computer, English, how to pass job interviews, and how to make a CV. And I began my search for work, which was a long and arduous journey, and during that trip I applied for another scholarship to study programming that might increase my chances of finding a job. Indeed, after another research trip, and after some time, I was offered to work for six months in one of the Gulf countries, to work as a technical support officer for implementing e-government there. I worked hard until I succeeded and was hired in one of the government agencies there. I was very happy with this work and was devoted to it. I worked for eight years, during which I got married and tried very hard to bring my wife, but I could not. Until I had a beautiful baby girl, and at that time, I was in great pain ...