The table gives information about the size of household in united states in three years: 1790, 1890 and 1990.
Overall, the average population per household was the highest in 1790, and people tend to live alone more than living with family over the 3-year-period.
In 1790, the size of a family of 7 members was the highest with 35.8%. The figure for household with 4 and 5 person was the same at 13.9%, while people chose to live alone was the lowest, at just 3.7%.
The figures for 1890 was quite similar for that in 1790, the highest percentage was 23% belonged to a family of 7, and a household of 2, 3 and 4 person increased from about 3 to 5% compared to 1790. And the percentage of people choosing to live alone quite similar to that in 1790, at 3.6%.
There was an adverse trend in the last year, 1990, while the number of people living alone increased sharply to 24,6%, a family of 7 experienced a significance fall, to a minimum of 1.4%.Similarly, a family with 6 person also presented a considerable decline to 2.3% And a family of 2 was the most popular at 32,2%.