A simple random sample of 1,028 US adults in March 2013 found that 56\ support nuclear arms reduction.
Source
Gallup report: In U.S., 56 percent Favor U.S.-Russian Nuclear Arms Reductions. Available at https://news.gallup.com/poll/161198/favor-russian-nuclear-arms-reductions.aspx.
Examples
table(nuclear_survey)
#> arms_reduction
#> against favor
#> 452 576