President Biden’s indulgent stance toward Iran has led to the theocratic regime exporting more oil, spending more on its military, and moving faster toward acquiring a nuclear bomb — while it executes more of its citizens than at any other time in nearly a decade, new statistics show.

The nonpartisan National Union for Democracy in Iran (NUFDI) released a series of tables on Monday charting Tehran’s economic and military expansion since 2021 — and slammed the Biden administration for its posture of “appeasement.”

“When the United States appeases the Islamic Republic, it hurts the Iranian people and harms American interests,” the group posted on X.

Under Ayatollah Ali Khamenei and President Ebrahim Raisi, the Islamic Republic executed more than 1,200 people between September 2021 and August 2023.

The killings, which were reported by Iran Human Rights, included several protesters who were responding to the death of 22-year-old Mahsa Amini, who had been taken into custody by morality police for not properly wearing her headscarf, in August 2022.

The 2023 annual report from Iran Human Rights showed 834 executions were carried out that year— the most recorded since 2015.

Iran is also exporting more than 1 million barrels of crude oil per day, data from the International Monetary Fund shows, up almost 50% from when Biden took office in January 2021.

The export levels still fall well below those recorded under the Joint Comprehensive Plan of Action (JCPOA), which was signed in 2015 by world powers during the Barack Obama administration and relaxed sanctions on Iran in exchange for restrictions on its nuclear program.

The US withdrew from the JCPOA, also known as the Iran nuclear deal, in May 2018, with then-President Donald Trump saying it had not been able “to halt Iran’s nuclear ambitions” or “the regime’s development of ballistic missiles that could deliver nuclear warheads.”

“The deal does nothing to constrain Iran’s destabilizing activities, including its support for terrorism,” Trump also said at the time. “America will not be held hostage to nuclear blackmail.”

Between 2018 and early 2021, the Trump administration ramped up its “maximum pressure” campaign against Iran and re-imposed sanctions that had been lifted under Obama.

That led to the lowest military expenditures by Tehran in decades during Trump’s final year in office, with a little more than $3 billion spent, according to the World Bank Group.

By 2022, however, Iran’s military spending had more than doubled to $6.8 billion.

Tehran and its proxies have since ramped up attacks on commercial and US military targets — and reportedly helped plot Hamas’ Oct. 7 invasion of Israel that killed more than 1,200 people, mostly civilians, and 13 US citizens.

The Biden administration has gone on to grant Iran at least $10 billion in sanctions waivers since the Israel-Hamas war began, which critics have pointed out will only enable the murderous regime further.

The US and its allies have responded with strategic attacks on senior leaders of the Islamic Revolutionary Guard Corps, including the lethal US drone strike against Quds Force leader Qassem Soleimani in January 2020 and the reported Israeli strike that on Monday killed IRGC chief Mohammad Reza Zahedi.

Most alarmingly, NUFDI pointed to a report from the Institute for Science and International Security that found that as of late last year, Iran had stockpiled enough enriched uranium to make its own nuclear weapons.

“Iran is able to produce more weapon-grade uranium (WGU) and at a faster rate since the IAEA’s last report in November 2023 due to increased stocks of enriched uranium and increased uranium enrichment capacity,” wrote David Albright, a physicist and former United Nations weapons inspector in Iraq who founded the institute.

“Iran’s stocks of enriched uranium and its centrifuge capacity combined are sufficient to make enough [weapons-grade uranium] … for seven nuclear weapons in one month.”

NUFDI senior policy analyst Andrew Ghalili told The Post that “data in the graph is further evidence that appeasement is counterproductive to the cause of slowing Iran’s advancement and escalation in a variety of areas.”

The Post has reached out to the State Department for comment.