Most U.S. households support stricter gun control laws and blame illegal gun deals and poor mental health care for mass shootings, according to the latest POLITICO/Morning Consult poll.

Do you, or does anyone in your household, own a gun of any kind? Yes No 38% 62% Do you support or oppose stricter gun control laws? Strongly support No opinion Strongly oppose 45% 22% 6% 10% 16% Support Oppose Does anyone in your household own a gun of any kind? Yes No 38% 62% Do you support or oppose stricter gun control laws? Strongly support No opinion Strongly oppose 45% 22% 6% 10% 16% Support Oppose Does anyone in your household own a gun of any kind? Yes No 38% 62% Do you support or oppose stricter gun control laws? Strongly oppose No opinion Strongly support Support Oppose 45% 22% 6% 10% 16% SOURCE: POLITICO/Morning consult poll

According to the poll released Tuesday, 38 percent of Americans live in households that own guns, and 67 percent support stricter gun control laws.

How much do you blame the National Rifle Association for mass shootings? A lot Some Not much Not at all 32% 13% 11% 10% 33% ... illegal gun dealers? 5% 22% 8% 61% 5% ... lack of access to treatment for mental illness? 3% 52% 31% 7% 7% ... Democrats in Congress? 12% 21% 17% 17% 33% ... Republicans in Congress? 23% 20% 17% 14% 27% ... President Donald Trump? 25% 15% 13% 11% 36% How much do you blame the National Rifle Association for mass shooting? A lot Some Not much Not at all 32% 13% 11% 10% 33% ... illegal gun dealers for mass shootings? 5% 61% 22% 8% 5% ... lack of access to treatment for mental illness? 3% 52% 31% 7% 7% ... Democrats in Congress? 12% 21% 17% 17% 33% ... Republicans in Congress? 23% 20% 17% 14% 27% ... President Donald Trump? 25% 15% 13% 11% 36% How much do you blame the National Rifle Association for mass shootings? A lot Some Not much Not at all 32% 13% 10% 33% ... illegal gun dealers? 5% 61% 22% 5% ... lack of access to treatment for mental illness? 3% 52% 31% 7% ... Democrats in Congress? 33% 12% 21% 17% ... Republicans in Congress? 23% 20% 14% 27% ... President Donald Trump? 25% 15% 11% 36% SOURCE: POLITICO/Morning consult poll

More than 80 percent of Americans believe illegal gun dealers and poor access to mental health care are to blame for mass shootings. But when asked whether the National Rifle Association shares any blame, the poll respondents were almost equally divided.

Why we asked

Last Friday, a gunman opened fire on a high school campus in Sante Fe, Texas, killing 10 people. The shooting thrust gun control issues back into the center of a national debate that has been raging since February, when a school shooting in Parkland, Florida, became the most one since Sandy Hook in 2012.

2000 2012 2018 Marjory Stoneman Douglas High School in Parkland Fla;17 killed, 17 injured Killed Injured Sandy Hook Elementary School in Newtown, Conn.; 26 killed, 2 injured 20 2012 was reported as the deadliest year; 34 dead 40 2018 already has the casualties, 87 60 80 casualties Casualty count as of May 18 2000 2012 2018 Marjory Stoneman Douglas High School in Parkland Florida,17 killed, 34 casualties killed Injured Sandy Hook elementary school in Newtown Connecticut, 26 killed, 28 casualties. It is the deadliest school shooting. 20 40 2012 was reported as the deadliest year, 34 dead 2018 has the most casualties, totaling 87 60 80 casualties Casualty toll as of May 18 SOURCE: Washington Post school shooting database

NOTE: Casualty includes both the dead and injuried

We are only 21 weeks into the year, but already there have been 16 school shootings, leaving 87 people dead or wounded. That’s already the highest school shooting casualty count for any year recorded since 2000, according to a database compiled by The Washington Post.

2000 to 2018 2018 Jan. to May 213 school shootings, 127 deaths 16 school shootings, 31 deaths Sandy Hook elementary school, 28 casualties Marshall County High School, 18 casualties Marjory Stoneman Douglas High School, 34 casualties Santa Fe High School, 20 casualties 30 20 10 casualties 2000 to 2018 213 school shootings, 127 deaths Sandy Hook elementary school, 28 casualties 30 20 10 casualties 2018 Jan. to May 18 16 school shootings, 31 deaths Marshall County High School, 18 casualties Marjory Stoneman Douglas High School, 34 casualties Santa Fe High School, 20 casualties 2000 to 2018 213 school shootings, 127 deaths Sandy Hook elementary school, 28 casualties 30 20 10 casualties 2018 Jan. to May 18 16 school shootings, 31 deaths Marshall County High School, 18 casualties Santa Fe High School, 20 casualties Marjory Stoneman Douglas High School, 34 casualties SOURCE: Washington Post school shooting database

NOTE: Casualty includes both the dead and injuried