For the 2015 tax year, the Roth IRA income contribution ranges are increased a bit. Married couples filing jointly face the phaseouts when their income is between $183,000 and $193,000. The earning range for single taxpayers is $116,000 to $131,000.or the 2015 tax year, the Roth IRA income contribution ranges are increased a bit. Married couples filing jointly face the phaseouts when their income is between $183,000 and $193,000. The earning range for single taxpayers is $116,000 to $131,000.