The Congressional Budget Office also estimates that debt held by the public will rise to $17.9 trillion this year (80.8% of GDP) and to total $31.4 trillion by the end of fiscal year 2030—nearly 100% of GDP.

To be clear, the increase in projected deficit and debt levels is not a matter of the federal government taking in too little revenue. Revenues are projected to keep rising from 16.4% of GDP in fiscal year 2020 to 18% of GDP in 2030—higher than the 50-year average.

However, spending is set to rise from 21% of GDP in 2021 to 23.4% of GDP over the next 10 years. That’s 3% above the historical average.

Here are five takeaways from the Congressional Budget Office’s budget and economic outlook:

1. Debt will rise to historically high levels.

At the end of fiscal year 2019, debt held by the public rose to 79.2% of GDP. By 2030, debt held by the public is set to reach 98.3% of GDP.

According to Office of Management and Budget data, the highest level of debt held by the public ever recorded in the U.S. was 106.1% of GDP in 1946—in the immediate aftermath of World War II.

It is “unprecedented” for the country to be facing such high levels of debt in a time of relative peace and economic prosperity.

2. Health care and Social Security are driving spending growth.

Over the next decade, the Congressional Budget Office estimates entitlement spending will rise by a combined 2.7% of GDP. Health care programs and Social Security are projected to consume 59% of all federal revenues by 2030.

Besides net interest payments, the Congressional Budget Office projects all other areas of federal spending to decline as a percentage of GDP.

Both Medicare and Social Security are unsustainable in their current forms and on a path to insolvency. Congress should fundamentally reform these programs to lower costs and return control over health care and retirement needs to the American people.

Without action to slow the growth of entitlement spending, it will be nearly impossible to achieve a sustainable federal budget.

3. Interest payments will crowd out national priorities.

By the end of this decade, the Congressional Budget Office estimates the federal government will spend $819 billion annually on interest payments on the national debt. That is more than double what the government spends on interest today and will amount to 10% of total projected spending in 2030.

The Congressional Budget Office estimates that in the next 10 years, the federal government will begin to spend more money annually on debt service payments than it will on either Medicaid or the Disability Insurance program. Interest costs would approach the level spent on national defense.

Interest payments on the debt are crowding out other national priorities. If debt continues to grow, interest payments will further strain federal resources.

The first step to reversing this trend is to ensure that lawmakers know the interest costs of legislation that comes before Congress. Under current scoring rules, interest payments are not included in cost estimates. Lawmakers should enact reforms requiring interest costs to be included in all Congressional Budget Office estimates, giving Congress a fuller picture of the impacts of its spending decisions.

4. Revenues have been growing.

Between fiscal years 2020 and 2030, revenues are projected to rise by 2.6% of GDP.

Some will attribute rising revenues to the expiration of the 2017 tax cuts. But revenues will continue to grow even if the tax cuts are made permanent because Americans get wealthier over time, meaning more of our paychecks will be taxed at higher tax rates.

Rising deficit and debt levels point to a spending problem. If Congress allows the tax cuts to expire, deficits will likely grow even faster than projected. Historically, tax increases are paired with increased spending, not deficit reductions.

5. Waiting means a higher cost for future generations.

Projected debt of nearly 100% of GDP should serve as a sobering warning to lawmakers. But if Congress ignores that warning, the Congressional Budget Office’s long-term projections get even more dire.

The Congressional Budget Office estimates that without reforms aimed at lowering the debt, debt held by the public will rise to a projected 180% of GDP in just 30 years. The report warns that “growing debt would dampen economic output over time” and “pose significant risks to the fiscal and economic outlook.”

This could leave lawmakers with few options other than significantly raising taxes on all Americans, meaning less opportunity and economic prosperity for future generations.

The Congressional Budget Office’s latest budget and economic outlook reiterates that the current budget path is unsustainable. There is no time to waste. Congress should act now to implement reforms that will reduce federal spending and stabilize the national debt.

If lawmakers fail to heed these warnings, all Americans will pay the price.