Something you always hear during election season is “social media is not real life.” While that may be true, it disregards the role social media plays in real voting decisions.
Elections are not won on Twitter polls or TikTok comment sections. They are won at polling stations, where real people cast real votes. However, dismissing social media completely would also be a mistake. You know where else there are real people? Social media.
Threads may not directly count votes, but it definitely shapes how people think about politics, parties, candidates, and national issues, and this is what many people miss.
Media houses know this, political parties know this, and campaign managers know this. Now, voters know it too.
According to Ofcom, social media platforms have become one of the primary sources of news consumption for younger audiences in the United Kingdom (UK). That means millions of voters now encounter political information first through social media rather than traditional television or newspapers.
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In modern politics, perception shapes momentum. This is why social media is one of the biggest tools political actors use in shaping perception today. Here’s how they do it and why.
1. Social Media Influences Political Opinions Much Faster
One major reason social media affects elections is speed. Traditional media still matters, but social media spreads information much faster. A speech delivered at 2pm can become viral clips by 2:05pm, memes by 2:15 pm and debate topics 10 minutes after the speech is over.
Sometimes, all these happen while the speech is still ongoing. That speed changes political communication completely.
Politicians no longer communicate only through press conferences and television interviews. They now communicate directly with voters through popular social media platforms like X, TikTok, Instagram, Facebook and even Threads.
According to The Reuters Institute for the Study of Journalism, younger audiences increasingly prefer online platforms for political news and current affairs. This creates a situation where online narratives can quickly influence public discussions offline.
And once a narrative gains momentum online, traditional media often follows it. This, of course, means that not only does social media react to politics, it also shapes political conversations in real time.
2. Algorithms Reward Emotion, Not Balance
It sounds sinister, and it is, but that is how traffic works. One major issue with social media during elections is that algorithms prioritise engagement.
And emotionally charged content usually performs best. That means anger, outrage, panic, fear and political attacks spread quickly. Of course, people know this, so they use social media to attack unpopular candidates, and it works every single time.
Balanced or nuanced discussions often receive less visibility. According to The Alan Turing Institute, recommendation algorithms can amplify emotionally engaging content because platforms are designed to maximise user interaction.
This matters politically because emotional reactions influence voter behaviour. Think about it. If you see something that upsets you at just the right time before you vote, it’d heavily influence how you vote. Many times, you cast your vote before you realize that what you saw wasn’t even real.
On the other hand, a voter may not suddenly switch political parties overnight because of one TikTok video. Yet repeated exposure to certain types of content over weeks and months can shape political views.
That psychological effect is significant.
3. Social Media Gives Smaller Parties More Visibility
Another way social media has changed UK elections is by reducing the traditional media advantage larger parties once had.
Previously, political exposure depended heavily on television coverage, newspaper support, and large advertising budgets. That’s no longer the case, as smaller parties and independent voices can now build massive audiences online relatively cheaply.
This has become especially noticeable in recent UK elections, where parties outside Labour and the Conservatives gained enormous online visibility. Politicians who perform strongly online can dominate political discussions even without traditional media backing.
