Media coverage of lobbies in Spanish digital generalist press

Why this story about lobbies and news matters to you

Behind many of the headlines you read, organized groups are quietly working to shape what appears in the news and how it is framed. This study looks at how Spanish online newspapers portray “lobbies” or interest groups, and what that coverage means for public opinion and democracy. By analyzing more than 13,000 news articles from the past decade, the authors show which interests get attention, what tone journalists use, and how often stories are actually triggered by lobbying campaigns themselves.

Following the trail of lobby stories over time

The researchers examined articles published between 2013 and 2023 on the seven most-read Spanish generalist news sites. They found 13,431 pieces that mentioned lobbies or related terms. Coverage was not steady: it peaked in 2013, a moment still marked by the fallout of the financial crisis, then declined, flattened for a few years, and dropped sharply in 2020 when the COVID-19 pandemic crowded out many other topics. In the early 2020s, attention to lobbies began to recover, though it never fully returned to the initial high point. Left-leaning newspapers published about half of all articles, with right-leaning outlets accounting for a bit over a third, reflecting both their audience size and editorial priorities.

What the news really talks about

Most of the language used in these stories ties lobbies to politics and the economy. Frequently appearing terms point to European decision-making centers such as Brussels and to Spanish national politics, signaling that journalists often cover lobbies in the context of big policy debates. To classify the topics more precisely, the authors grouped each article into interest categories inspired by the European Union’s transparency registry. Nearly two-thirds of the sampled stories focused on political and economic themes—foreign affairs, trade, business, banking, taxation, and similar issues. Social topics such as welfare, education, rights, health, or development appeared much less often, underlining an imbalance in whose concerns become newsworthy.

How ideology shapes which interests get space

When the team compared categories across outlets, a pattern emerged. Right-leaning newspapers gave especially large space to political and economic interests, particularly high-level politics and business. Left-leaning outlets devoted relatively more room to social concerns such as justice, rights, and environmental matters. Although a formal statistical test did not confirm a strong, clear-cut link between a newspaper’s ideology and every category, the descriptive patterns echo broader debates about media bias: depending on where you read your news, you are more likely to encounter certain kinds of lobby-driven stories than others.

The surprisingly negative tone—and one notable exception

To understand how lobbies are framed emotionally, the researchers used automated tools to score each article’s sentiment on a scale from very negative to very positive. On average, coverage leaned clearly negative. Nearly half of the sampled articles fell into the negative or very negative range, while only about a quarter were positive and very few were strongly positive. This held across most topics and outlets. One exception stood out: the Catalan newspaper La Vanguardia showed a small overall positive score and was less negative than its peers, suggesting a different editorial approach or closer ties to certain regional interest groups. Overall, however, the picture is of lobbies portrayed more as a problem or source of controversy than as neutral or beneficial actors.

When lobbying drives the news

The most novel part of the study explores whether stories arise from journalists’ own choices or from indirect lobbying strategies—planned efforts by interest groups to influence public opinion through media coverage. By carefully coding a representative sample of 380 articles, the authors estimate that about one in three items on lobbies were triggered by such indirect strategies. These articles were not random: they were especially common in pieces about the primary sector (such as agriculture), environment and energy, and the broader economy. Crucially, they also tended to be more positive in tone. A statistical model confirmed that three factors—topic area, outlet, and sentiment—help predict whether a story likely stems from an indirect lobbying push. In other words, when interest groups successfully shape coverage, the resulting stories are more favorable to them.

What this means for readers and democracy

For a general reader, the study’s core message is that news about lobbies is both common and quietly shaped by those same actors. Most coverage in Spain’s major online newspapers focuses on political and economic interests and presents them in a rather negative light, feeding public skepticism about backroom influence. Yet when lobbies manage to set the media agenda indirectly, the tone softens, and their causes look more appealing. This mix of critical reporting and subtle promotion matters because it helps decide which voices dominate public debate and how citizens perceive them. Understanding that some apparently neutral news is the product of strategic communication—and that social interests get less attention than economic ones—can help audiences, journalists, and policymakers reflect more carefully on balance, transparency, and fairness in the public conversation.

Citation: Serna-Ortega, Á., Moreno-Cabanillas, A. & Castillero-Ostio, E. Media coverage of lobbies in Spanish digital generalist press. Humanit Soc Sci Commun 13, 532 (2026). https://doi.org/10.1057/s41599-026-06881-1

Keywords: lobbying, news media, Spain, public opinion, political communication