WASHINGTON (MarketWatch) — Newly released tax data gives a fresh breakdown of income inequality in the United States.

The Internal Revenue Service released a preliminary assessment of 2013 filings, based on what was submitted between January and late September. The data on individual income tax returns was then weighted to show a full year of tax data.

What the data show is that households who make $250,000 or more represent just 2.4% of filers, but 26% of all income. That’s actually less than the 28% of all income they made in 2012, when a rush of special dividend payments were made in advance of a hike in tax rates.

Also see: How much it takes to join your state’s 1%

The middle class — those who make between $50,000 and $100,000 — account for 22% of all filings and roughly the same in income, at 25%.

Put it another way: 3.6 million households make basically the same as 32 million households.

The largest bracket is those who make under $15,000, at 25% of the total, who bring in just over 1% of total income.

It’s important to point out that those who make over $250,000 account for 48% of all tax liabilities, far and away the most of any bracket. Those who make between $50,000 and $100,000 account for 16% of all liabilities, and those who make between $100,000 and $200,000 account for 23% of all liabilities.

Some other factoids: some 33 million American households claimed $292.9 billion on the home mortgage interest deduction — that’s 3.1% fewer households claiming 10.2% less.

There were 2.1% fewer households claiming the charitable contribution deduction, but those 36.6 million Americans gave only fractionally less, claiming $179 billion on their tax forms.