People 1 the age of sixty-five in the United States are called senior citizens. Life for these people is different from that 2 younger Americans. 3 senior citizens retire or no longer work full time. Also, it is 4 for people of this age to live with their children and grandchildren. For many senior citizens , the years after sixty-five are not 5 . They feel that their lives lose meaning after retirement. In 6 , they may feel lonely 7 away from their families and the 8 they had in their work. 9 , they become more worried about their health as they grow older, and 10 their safety if they live in big cities. 11 senior citizens enjoy their lives. They feel free to do what they 12 not able to 13 they were working and 14 families. They now have time to enjoy 15 and sports and travel. The 16 of senior citizens in the United States is increasing rapidly because people are living longer than before. 17 of their larger numbers and more active life styles, senior citizens are 18 social influence(影响)in the country. The time 19 come when all Americans will look 20 to becoming senior citizens.