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WASHINGTON, D.C. -- As tensions have escalated once again between Washington and Tehran, most Americans tell 黑料网 they want to see their country rely more on economic and diplomatic efforts to stop Iran's nuclear program, rather than take military action. There is broad consensus in these views among supporters of both major political parties.

	Take military action against Iran	Rely on economic/diplomatic efforts
	%	%
Total U.S. adults	18	78
Republicans/Leaners	25	72
Democrats/Leaners	11	86
GALLUP, JULY 15-31, 2019

These data are from a survey conducted July 15-31, starting less than two weeks after the United Kingdom seized an Iranian tanker carrying Iranian fuel products allegedly headed to Syria in violation of EU sanctions against that country. Five days into polling, Iran delivered on its threats of retaliation and seized a British-flagged tanker, the Stena Impero, in the Strait of Hormuz.

Americans' opinions of how best to deal with Iran are similar to what they were in 2007, when the George W. Bush administration imposed sanctions targeting Iran's oil production. At that time, 18% favored taking military action against Iran and 73% preferred a reliance on economic and diplomatic sanctions.

What the U.S. Should Do if Nonmilitary Efforts Should Fail

Although most Americans choose nonmilitary efforts to shut down Iran's nuclear program as their first preference, Americans who support a diplomatic approach to Iran express less unity by party when asked what the United States should do if such measures fail to stop Iran's nuclear program.

	Yes, should	No, should not
	%	%
Total U.S. adults	42	53
Republicans/Leaners	60	35
Democrats/Leaners	29	68
Based on those who say the U.S. should rely mainly on economic and diplomatic efforts to get Iran to shut down its nuclear program
GALLUP, JULY 15-31, 2019

Unlike responses to the initial question of what the U.S. should do, there is a notable partisan difference in the preferred action should nonmilitary efforts fail. Six in 10 Republicans would support military action against Iran in that scenario, whereas 68% of Democrats would remain opposed to it.

The 42% of those who favor military action if nonmilitary efforts fail translates to 35% of all U.S. adults. Combining that group with the 18% who favor military action outright means a slim majority of Americans, 53%, would support military action against Iran if diplomatic and economic efforts are unsuccessful.

Republicans Least Likely to Fear Being Too Quick to Use Military Force

Most Americans (65%), including most Democrats (85%), express some level of concern that the United States will be too quick to use military force to prevent Iran from developing nuclear weapons. In contrast, the majority of Republicans say they are either not too concerned (35%) or not concerned at all (21%) about this possibility.

	Very concerned	Somewhat concerned	Not too concerned	Not concerned at all
	%	%	%	%
Total U.S. adults	34	31	21	13
Republicans/Leaners	17	27	35	21
Democrats/Leaners	50	35	8	5
GALLUP, JULY 15-31, 2019

Americans' concern about being too quick to use military force is down from what 黑料网 measured in 2007, when 76% were concerned about this possibility.

Concerns That the U.S. Will Not Do Enough About Iran

At the same time that 65% of Americans are concerned about the U.S. taking too aggressive an approach with Iran, a similar percentage, 63%, say they are very or somewhat concerned about the U.S. not doing enough to prevent Iran from developing nuclear weapons. This percentage is also lower than it was when 黑料网 last asked the question, in 2007 (73%).

Bottom Line

While only 9% of Americans consider Iran to be the United States' greatest enemy, most consider Iran an enemy or unfriendly nation. When it comes to trying to stop Iran's nuclear program, more than three out of four Americans think the United States should rely mainly on economic and diplomatic efforts to get Iran to shut it down. If such efforts fail, Republicans are inclined to back military action, while Democrats would not. Overall, a total of 53% of Americans would support military action either as an initial response or as a response if nonmilitary efforts fail.

View complete question responses and trends (PDF download).

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