Curtis: Where's the nearest cash machine? purchase julian's rock hard cream However, looking at occupational breakdowns reveals that many jobs with older-worker concentrations double and even triple this average. As the following table illustrates, some professions naturally retain older experts – clergymen, for example. In other cases, professions are dying and unable to provide attractive opportunities for newcomers. Based on these statistics, proofreaders, print binders, tool makers and postal service clerks are all professions parents are not likely to recommend to their children. Becoming a farmer or travel agent may also be off the table.