UK MP Twitter abuse increased between 2015 and 2017 general elections

August 30, 2018

Abuse of politicians online increased substantially in the snap 2017 general election compared to the 2015 general election, according to new research by the University of Sheffield.

The study shows for the first time that both the proportion and volume of Twitter abuse increased between 2015 and 2017. In most cases, this was regardless of the party or gender of the candidate for Member of Parliament.

Scientists analysed over one million tweeted replies to MPs and candidates and found that different topics triggered abusive replies in 2015 to 2017. In 2015, users who tweeted abusive replies were more concerned with the economy. In 2017, these were concerned with national security in the wake of terror attacks on UK soil.

The study, led by Professor Kalina Bontcheva from the Department of Computer Science, also found that although prominent politicians receive a lot of tweets and thus a fair number of abusive tweets too, there is tendency for the more well-known politicians to receive proportionally less abuse. This might suggest that to certain types of senders of abuse a large target is a less attractive one.

Other findings include:Concerns about online intimidation have drawn increasing attention but little research has been done into this trend that has worrying implications for democracy.

The UK government published 'Intimidation in public life: A Review by the Committee on Standards in Public Life' in December 2017, looking at how abuse and intimidations affected parliamentary candidates during elections.

It found that the Parliamentary candidates who provided evidence to the Committee overwhelmingly believed that online intimidation is already discouraging individuals from standing for public offices.

In order to understand trends in online abuse towards UK Politicians, Professor Bontcheva and her team collected data focused on Twitter accounts of MPs, candidates and official party accounts. They collected every tweet by each of these users, and every retweet and reply to these accounts, for the month leading up to the 2015 and 2017 general election.

The team identified abusive language and detected topics that attracted abuse or were of interest to the users who sent abuse.

The team analysed the 2017 dataset to discover more about users who sent online abuse. They found that those who tweeted abusively have more recent Twitter accounts by a few months, fewer followers, follow fewer accounts and have fewer posts. One explanation could be that accounts are being created primarily to send anonymous abuse.

A similar analysis of the 2015 data found some changes - these accounts posted more and favourited more.

Reviewing the data found that more abuse was sent by a smaller number of individuals compared to 2017. This could be because Twitter became more engaged in blocking users that sent abuse, so more accounts were created.

In both 2015 and 2017 datasets, the team found significantly more accounts had been closed amongst those that sent abusive tweets as compared to accounts which did not; 16 per cent rather than 6 per cent in 2015 and 8 per cent rather than 2 per cent in 2017.

Professor Bontcheva said: "Whilst there was a clear increase in abuse on Twitter sent to politicians in the 2017 general election compared to 2015, it was interesting to see the differences in the topics they responded to. This clearly shows the different issues that rose to prominence in the two separate elections.

"The increase in abuse towards public figures is a shocking development and one that the UK government is right to take seriously. If people are dissuaded from standing for election, then our representation on a democratic level is under threat."
The study is funded by SoBigData and EPSRC fellowship funding.

Notes to editors:

The University of Sheffield

With almost 29,000 of the brightest students from over 140 countries, learning alongside over 1,200 of the best academics from across the globe, the University of Sheffield is one of the world's leading universities.

A member of the UK's prestigious Russell Group of leading research-led institutions, Sheffield offers world-class teaching and research excellence across a wide range of disciplines.

Unified by the power of discovery and understanding, staff and students at the university are committed to finding new ways to transform the world we live in.

Sheffield is the only university to feature in The Sunday Times 100 Best Not-For-Profit Organisations to Work For 2018 and for the last eight years has been ranked in the top five UK universities for Student Satisfaction by Times Higher Education.

Sheffield has six Nobel Prize winners among former staff and students and its alumni go on to hold positions of great responsibility and influence all over the world, making significant contributions in their chosen fields.

Global research partners and clients include Boeing, Rolls-Royce, Unilever, AstraZeneca, Glaxo SmithKline, Siemens and Airbus, as well as many UK and overseas government agencies and charitable foundations.

To read other news releases about the University of Sheffield, visit

University of Sheffield

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