Americans have become accustomed to control of Congress coming down to a handful of toss-up seats and increasingly small majorities no matter which party emerges victorious. But historically, fierce back-and-forth competition has been the exception rather than the norm, and there are some signs that the country could be headed for another period of long-term Republican dominance.
The Historical Record
Since the birth of the modern Democrat vs. Republican two-party system in the mid-1850s, both parties have had long “streaks” of victories defined by large, durable majorities, as the chart below shows.
From the 1860s up until 1933, Republicans, the party of Abraham Lincoln, dominated Congress. The GOP controlled the Senate for 18 straight years from 1861 to 1879, and held the gavel in the House for 16 years from 1859 to 1875. Overall, in the 78 years between 1855 and 1933, Republicans held a majority in the Senate for 62 years, and a majority in the House for 54 years, including three stretches of 16 years in a row.
That all changed in 1933 amid the depths of the Great Depression and the emergence of President Franklin D. Roosevelt’s New Deal Coalition. Democrats’ dominance for the rest of the century was even more complete than Republicans’ in the previous century. Between 1933 and 1980, the GOP managed to win control of the Senate just twice, in 1946 and 1952, with the election of President Dwight D. Eisenhower. Those gains were then quickly erased in the following cycle.
It wasn’t until the “Reagan Revolution” in 1980 that Republicans were able to pull off a series of major upsets in blue-state Senate races and win back control of the chamber for an extended period of time. Still, after six years, Democrats reeled off four straight cycles of Senate majorities.
Democrat control was even more complete in the House. Between 1932 and 1994, Republicans managed to win control of the chamber just twice, and those victories were quickly erased in the following cycle. That’s 62 years in which Republicans held control of the House for just four years – about 6.5 percent of the time.
A New Era
The 1994 election, the year of Newt Gingrich’s famous “Contract With America,” initially appeared to be a harbinger of boom times for the GOP. Republicans reeled off six straight House victories, taking control of the chamber for 12 years – the first period of sustained control since the early 1900s. At the same time, Republicans won control of the Senate for 10 of 12 years between 1995 and 2009. George W. Bush’s victories in 2000 and 2004 were another good sign for the GOP.
At the same time, however, a new trend was emerging – razor-thin majorities. The previous eras of Republican and Democrat dominance were defined by huge swings in party power. In the 1860s and 1870s, Republicans often controlled more than 70 percent of seats in both the House and the Senate. In the 1930s and 1940s, Democrats saw the same level of control.
Suddenly, those margins became extremely close as the country sank further into a state of deep partisan divisions and the two parties became ideologically polarized – primarily as a result of Democrats lurching to the left. Since 2016, neither party has won more than a three-seat majority in the Senate. In the House, the margin of victory has shrunk every year since 2016. The five-seat House majority that Republicans won last year is the smallest for either party since the early 1930s.
One interpretation of this trend is that the country is heading toward a more prolonged era of intense battles for a few seats that will determine which party has a small majority. That’s certainly possible.
Another possibility, however, is that, from a long-term view, the country is transitioning from a time of extended Democrat control to another time of extended Republican control.
There is some evidence to support this theory. A recent Wall Street Journal poll found that the Democrat Party has its lowest approval rating with voters in 35 years. The party remains leaderless and rudderless following Kamala Harris’s defeat last November. Its most high-profile leaders are all aging octogenarians. Its youngest faces, like Rep. Alexandria Ocasio-Cortez and Zohran Mamdani, are radical socialists who are deeply out of step with everyday Americans. Mounting divisions between the emergent progressive wing and the ever-shrinking faction of moderates are threatening to tear the party apart further. The dominoes could be lining up for a catastrophic Democrat collapse.
Of course, that assumes Republicans take full advantage of the situation and don’t allow self-inflicted wounds to become a life raft for Democrats. In 1932, FDR and the New Deal Democrats fully capitalized on the unpopularity of the incumbent Republican administration to sell a hopeful vision for what America could be. Donald Trump leaned on that strategy in 2024 as well, drawing on the successes of his first administration.
The GOP shouldn’t lock itself into believing that every election is about winning a few toss-up seats and hoping for small majorities. In the right scenario, the next wave election could be as soon as next year, and Republicans could be headed for their next extended period of dominance.
Shane Harris is the Editor in Chief of AMAC Newsline. You can follow him on X @shaneharris513.
don’t ever underestimate the ability of the GOP to screw opportunities up.
The gop had massive victories in 2010 and did….nothing of note except take impeachment off the table and refuse to cancel the ACA. They clearly signaled their rino beta nature. Lots of people became disillusioned then and quit paying attention. Agreed there is historic opportunity here but gop leadership must play hardball with the rank and file the way the dems do. Any remaining never trumpers must be denied funding and or primaried out.
I don’t have faith in the Republican party, and I’m 75 and a lifelong Repub. Trump’s MAGA is the real deal, but the support he gets from other Republicans is embarrassing. If there was a viable Constitutionalist party, I’d be there in a New York second.
The Gop is still controlled by the rinos who just like last time are slow rolling Trumps agenda, they are weak gutless cowards. So the answer is no, because people keep electing the Graham’s, Kemps, Cottons and other liberals.
I don’t think dominance by either party will ever happen again. Polarization is too large in this country. It is no longer about ideals and what is good for the people and the country. The left wants total power. And they are going after it no matter what. Mamdani is the poster boy like Obama was before him. Both foreigners. When he was elected as president a whole new face was created for the democrat party. Hatred was pushed to divide the country. And today no matter what happens the left is going to be against it. Whoever would have thought that millions of Americans would be against law and order. Would be pro war. But they are. The mindset of the democrats to the ultra left since Bill Clinton will not be erased anytime soon. There is too much money behind it. Look
how much money Mamdani has raised. Or Harris raised. It’s the people in this country the ones on the right the independents that have to save America. Can they? Will they? The democrats still are screaming loudly to destroy this country. Democrats if you care at all about America vote your common sense it’s the only way to keep our country a Republic and keep us free.
Never underestimate the ability of RINOs to snatch defeat from the jaws of victory. More than once have the likes of Graham, Murkowski, Collins, Romney and the now gone and infamous Cheney stabbed the Republican voters firmly, repeatedly, and rapidly on the back with a fervor usually only reserved for their eagerness to accept donations from large corporate lobbyists, and opposing party sponsors. There are also plenty of WEF globalist wolves hiding under the hides of conservative Republicans they defeated with dark money in Republican primaries, posing as defenders of faith and freedom.
If the outstanding hard work and successes from President Trump and his team reclaiming “government for the people” and common sense, are an indication of what citizens will vote for, a Republican majority should happen. I pray that it does. We have seen what the alternative looks like.
I will look forward to true republican dominance for a few years. Maybe that dominance will outlive me!
It’s time for the Republicans to infiltrate the Democrat party like they’ve done to us. It’s time to give them a big dose of their own medicine. FIGHT FIGHT FIGHT
The GOP is quite capable of snatching defeat from the jaws of victory.
Extended period of dominance? sounds sinister, doesn’t it? I think of it as an ongoing government by rational normal people instead of deranged, abnormal brain dead morons.
Trump’s agenda is a long term plan for prosperity . The GOP should get fully on board NOW . Domestic production is about to increase dramatically . And, there is plenty of room to invest . Trump’s tariffs are providing very comfortable margins for new domestic manufacturers to rise in . And returning , former traitorous , business that have caussed many manufacturing jobs to be shipped to China et all , will further increase domestic production . And increase domestic production means increased jobs and increased demand .
This very attitude of dominance is a problem within the duopoly. BOTH parties are too busy worried about dominating (and lining pockets their with big donor money) versus actual governance with policies that HELP Americans. THE DUOPOLY IS BAD FOR CITIZENS!
I sure hope Mitch McConnell’s replacement as Majority Leader, John Thune (R,SD), is better than McConnell was about support for Donald Trump’s America First agenda.
The US Senate needs to make some changes, like no longer counting senators who claim to be “Independents” under the Democrats’ column. That’s right. Democrats under Chuck Schumer recently claimed a one-seat majority because the two senators who ran as Independents—not Democrats—said they “caucused with” the Democrats.
At that time, Republicans actually had a one-seat majority they could have used to block much of Joe Biden’s socialist agenda! No member of Congress should be allowed to claim membership in two different parties at once.
Not at the rate they’re going. How many of the Presidents executive orders have they signed into law? How many of the Presidents appointments have been appointed? How about the Budget that is supposed to be funded by September? Sitting around Twiddling your Thumbs while having your Heads Stuck Up Your Booties is the very reason they end up losing the Midterms. After they turn things over to the Democrats, they vote in line with them and holler that they didn’t have any choice because the Democrats have Control. They cry like babies saying that the American People stayed home and didn’t vote. The American People didn’t Contribute Enough to the Campaigns. The Democrats follow their leaders and walk Lock Step with them. Well?
I can only hope so; but when the left is so adept at lying and obfuscation, I will just hope that the adults will be in control for a long time.
The GOP has been infiltrated with RINOs who will either sit on their hands or vote with democrats, so the liberals will always have a majority.
I do not care what color shirt a politician wears. Back in the 1970s, as a fledgling voter, I could not tell the difference between the parties. I still do not. Both parties talked and did nothing! I have seen the parties take up shovels to break ground with many speeches…then no building. I have heard them trade arguments and argue the other side…with no results. I am thinking Congress is paid by the word and not by the deed. WE NEED A WORKING CONGRESS.
I sure hope so, we can’t stand any longer with the rise of the communist democratic party.
If it falls into their laps they’ll plod along, because in my opinion they spend more time working against themselves then moving forward. Just look how they fail to back President Trump with the agenda he and all those who voted for him want to happen. IMO
Republicans do not act to correct; they sit back way too long.
70 years old and life long Republican like my Granddad before me.
Staunch Trump supporter. But I do not trust one of the current congressional Republicans to make a stand with 100% support for Trump. They are all part of the dreges of the swamp and bow to the demoncrat machine. We need a 100% purge so we can have a total clean slate of Republicans that do not owe their loyalty to the swamp.
The ones that decide this tale will be We The People of The United States of America.
I Hope we get a country of republican party dominance because I don’t think this country can survive one-party democrat rule.
I think today’s Republicans are Democrats of Harry Truman era. Democratic party is an umbrella for young radicals with no brain between them, only unhinged talk and emotions and old guard ,rich beyond believe ,used to having everything going their way nicely, young firebrands do not like them and those who are neither fowl nor fish but count themselves democrats. There are generational differences , neither has a leader, I say let’s not screw this one up. MAGA
The razor-thin margins are a reflection of the SHRINKING influence of the 2 main political parties. I know this as a former lifelong Democrat who became an Independent in 2007 because I believe both parties suck. In 2012, NBC’s Chuck Todd first reported that Independent voters were the majority, and it has only gotten more so since then. The latest numbers show that Ind. voters are over 50% and each party affiliation only 20-25%. So, what does that mean? It means that neither party can continue to ignore my constituency if they want to win because they cannot do so without us. And, we are majority ex-party people (meaning used to be either a Dem or GOP and were left behind because of the partisan directions each party has taken — IOW, we are The Great Middle Way), so continuing to pander a party line on either side will not bring us into fold. I truly believe this is good for the country because the first party to realize that they have to go to the middle to win us will triumph. If both parties do that, then we begin to cooperate and compromise again, which is how this country has survived since inception. The question then remains, which party is sincere about moving to the middle? Right now, I would not trust either party if they say it but definitely not the Dems. Therefore, if the GOP is smart, they will realize that Trump’s 2024 win was definitely a coalition of MAHAs and Free Speechers that put him over the top. It was NOT just GOP, not by a mile. So Trump better recognize he needs to deliver on what this coalition was promised, if he wants to score a 2026 midterm win. He has a year. Tick tock.
I pray Trump can help the republicans win more and not just screw up.
I think the democratic party is dead in the water. They can’t seem to get their heads above it. They are doubling down on their confusing theme. Who is in charge?
Sad that many don’t realize that the destruction of the US Senate, held by the Republicans, occurred with the passing of the 17th Amendment, which applied MOB RULE to US Senators selection.
The 17th removed the protections that our Founding Fathers created to protect the US Senate, similar to what the Electoral College does for the selection of our Presidents.
After reading most of the comments, we need to start looking at the younger and newer Republicans. They will be the leaders in Congress and we need to start focusing on term limits for our Legislature and a cap on some of the the “old” hangers on.
I am not against Seniors, as an 85 y.o. Great Grandma, but we must start as voters to require that the politicians have term limits, must be able to read and write and have studied the Constitution and the Declaration of Independence.
Our elected government must be there to serve the nation and the constituents for their time, and not be there as a career and to become a millionaire/billionaire on the taxpayers funds!
If you look at the energy that President Trump has at 79-80 years, and then at former President Biden, we need to be prudent on the age cap for elected officials. Some who should have retired 4 years ago are refusing to let go!
I don’t think our country can survive with the same old, same old business business.
Think outside of the box!
The Repubs SHOULD be dominant but don’t forget the “red wave” which turned out to be a “red trickle.” DIMMs know every trick in the book and have no morals to keep them from using them! The cemeteries always turn out a good vote for DIMMs, plus illegals, and “mail-in” [by whom?} ballots. Let’s play [fight?] like we are 2 touchdowns behind going into the 4th quarter!
The biggest and suicidal problems in the Republican party are the RINOs. A DO NOTHING group of slugs who backstabs and derails the GOP agenda, and then sides with the Democrats. Just to mention a few RINOs: Mitt Romney, Paul Ryan, Mitch McConnell and Maine’s and Alaska’ governors.
The real crazy people are out for awhile, so I am going to enjoy what President Trump is doing. I think it will be good for America taxpayers and others. It will be lasting!
Please Lord, make it so! God bless America, please!
HELP. NEW TO GETTING MY HEAD OUT OF THE SAND, and/or ASS Alot of discouragement in PAST but Thank God we’re in the Present and Future Crowd ????. I am in the WA State area and there’s a couple people I’ve heard of online that hold positions in Republican Party and they actually are talking ‘Perfect Time(s)’ for US AMERICANS, MAGA to get active for WIN’s in ’26 AND BEYOND. So, said all that so.. I’ll call one of the party go getter’s right now to get active in a pitiful ‘blue state’ ????. We’ve got the momentum and everybody loves to be A WINNER. WE ARE IN LOCKSTEP WITH ‘THE PRESIDENT OF THE UNITED STATES OF AMERICA.. A WINNER ???? ???????????????? I’m DOTY, and looking forward to meeting you!
The Democratic Govenors and Mayors of Blue sanctuary cities are self destructing with their stance on crime. The mayors should be asking their Govenors for help from the State’s National Guard. However that would prove President Trump was correct in Washington DC. Which shows you that the Democrats don’t care about crime ridden black families living in these places.
The democrats this year are no longer recognizable as the party of the past generation. They are more recognizable as socialists and communists. If you were raised in the middle American family household, this doesn’t appeal to you. That’s why many democrats have moved to the right (MAGA) and enjoy the policies of this current administration.
MAGA is but RNC DC Estd geared for Status Quo
All well and good, but 2018 is still clear in my memory, when republicans confidently predicted a massive “Red Tsunami”, that never materialized. So let’s not let our guard down, victory is never guaranteed.
“Are Republicans Poised for Period of Extended Dominance?”. Simple answer: NO. Remember the “Red wave” that was supposed to happen and never did? This is no different. With the MSM constantly spouting anti Trump propaganda the shallow thinking, clapping seals, will continue to vote for libtards. They ONLY pay attention to the MSM and far left blogs, etc… No matter how much good Trump and the Republicans do, the MSM is telling them (and they are choosing to believe it) that it is bad. So no, they will not be changing. Trump won the election but look at how many votes the worst candidate in the history of the world, Kameltoe, still got. She still got more votes than Trump did the first time. That is very telling.
Democrats have done well in local elections .
If Rep don’t get out the vote we will loss the congress.
in NJ and Pa the Dems are Tea Partying Very effective.
I’d like to think so, but The GOP consistently finds a way to screwthepooch….
let’s hope and pray that the Republican party stays the good guys and the demon rats will never hold off again. The only way we can save the Democrat party is to have honest good people in the party and right now that’s not what we have.
The Republicans will have a way of screwing it up, as they always do.
We should vote for the candidates who favor free market capitalism and Constitutional originalism regardless of their party.
As long as the GOP does not get complacent about still needing to work hard to win, they could stay in power. I am a little concerned that President Trump is using his power a little too much especially in the last few weeks. It is giving the liberals fodder for continuing to call him a dictator. Trying to rename the Gulf of Mexico and sounding off on the Cracker Barrel issue and one year of prison for burning the flag are just 3 examples. Yes, I hate to see anyone burn the flag but it is a freedom of speech issue. And I wonder what will happen to DC once the troops leave?? Stopping crime while they are in the city is one thing, stopping it after they go is another. Same goes for all the blue hell-hole cities. Troops can hold crime at bay while on the scene but then what??
Perhaps, but only if Republicans get off the couch and vote in every single election.
Just as sure as the sun rises in the morning and sets in the evening, with the help of the Rinos in the party, they’ll end up shooting themselves in the foot as they’ve done so many times in the past. I wish it wasn’t so but I’m 84 years old and I’ve watched them do it so many times in the past.
If the GOP intends to defy the mid-term election records of automatically losing control of the Congress to the opposite party, now is the time to begin positive messaging and displays of favorable outcomes, especially in those precincts where change is expected. Produce positve messages reflective of the successes of the curent administration and keep it up until a week after election day. Run a steady, measured race —and win.
Never count your Chickens before they’re hatched. The Republicans we have now are a bunch of weak and feckless cucks. They are more MIGA than MAGA.