PresidentDonald Trump'sapproval rating dipped in two of the three polls taken since his signature tax cut and spending billpassed in Congress on July 3. Thefinal version of the bill, signed into law July 4, emerged afternearly four daysof wrangling among Senate Republicans, with the expansive cuts toMedicaid, along with decreases in funding to Medicare. The bill also extends the 2017 tax cuts while expanding thebudget for immigration enforcement. Gallup polling shows that Trump's approval ratingsat the six-month mark in both of his terms are lower than any other modern president at the same time in their administrations, at 38% and 40% for each term respectively. The average since John F. Kennedy in 1961 is 52%, according to the polling firm. Here's a look at the polls and averages released since the passage of Trump's bill. The most recent poll by YouGov forThe Economisttaken July 4 through July 7has Trump's approval rating at: Favorable:42% Unfavorable:53% Not sure:5% The poll included 1,528 adults. The survey also founda dip in support among Black voters for Trump. It found that 15% of Black voters approve of the way Trump is handling his job as president, compared to20% of Black voterswho approved of his job handling in a June survey. The most recent poll taken by Morning ConsultJuly 3 through July 6has Trump's approval rating at: Approve:45% Disapprove:52% The poll included 2,203 registered voters. The most recent poll from polling firm Rasmussenreleased July 9has Trump's approval rating at: Approve:49% Disapprove:49% The poll included 1,500 likely voters. The latest average released by Nate Silver's "Silver Bulletin" newsletter on July 9 has Trump's approval rating at: Approve:44.9% Disapprove:51.6% The average included 10 polls. Contributing: Sudiksha Kochi, USA TODAY This article originally appeared on USA TODAY:Polls show Trump's approval rating after tax bill passes