<p>
</p>
<p>Some of these households have only one adult, and as I wrote earlier, two-adult households should be compared with other such households. According to [Household</a> income in the United States - Wikipedia](<a href=“http://en.wikipedia.org/wiki/Household_income_in_the_United_States]Household”>Household income in the United States - Wikipedia) higher-income households have more people and more earners.</p>