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Social Weather Stations

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An independent Philippine nonprofit institution specializing in social research, public-opinion polling, and social indicators.

Last updated August 24, 2026

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Overview

Social Weather Stations (SWS) is an independent, private, non-stock, nonprofit social research institution based in the Philippines. Established on August 8, 1985, it is widely regarded as one of the country's foremost public-opinion polling organizations. Its work covers social, economic, and political conditions, with survey findings frequently contributing to public discussion and policy analysis in the Philippines. SWS was created around the idea that systematic social measurement could help the public and decision-makers understand changing conditions in Philippine society. Its stated mission connects empirical research with three broad purposes: education, by making social conditions visible; conscientization, by encouraging awareness of social problems; and analysis, by examining possible solutions. The institution therefore operates not only as a polling organization but also as a producer and interpreter of social indicators. Its activities include designing and carrying out national and sectoral surveys, conducting public-opinion and election-related polling, developing data sources, and analyzing social trends. Areas associated with its survey work include quality of life, expectations about personal and national economic conditions, assessments of political leadership, voter preferences, election-day research, and other measures of public sentiment. The organization has also undertaken research related to social conditions and public concerns beyond electoral politics. SWS disseminates research through survey releases, publications, bulletins, seminars, briefings, and other channels. Its findings have been used by journalists, academics, civil-society organizations, public officials, and other researchers seeking regular measures of Philippine public opinion. The institution's work is particularly visible during election periods, when surveys and exit-poll research become part of the national political conversation. The organization was formally registered with the Philippine Securities and Exchange Commission in 1985. Its founding fellows included Mahar Mangahas, Felipe B. Miranda, Mercedes R. Abad, Jose P. de Jesus, Ma. Alcestis Abrera-Mangahas, Gemino H. Abad, and Rosa Linda Tidalgo-Miranda. Mahar Mangahas is identified as SWS's president and chief executive officer. Because SWS is a nonprofit research institution rather than a conventional consumer-facing company, its principal offerings are research services, datasets, indicators, analytical publications, and public dissemination rather than physical products. SWS has played a continuing role in the development of Philippine public-opinion polling. Its historical work includes surveys of presidential preferences, senatorial elections, election-day voting behavior, and public evaluations of political leaders. It has also published analyses of polling methodology and the role of survey research in public life. The institution's importance rests on the continuity of its survey series, its visibility in national debate, and its position as an independent source of quantitative information about Philippine society.

History

Social Weather Stations was formally established and registered with the Philippine Securities and Exchange Commission on August 8, 1985. It emerged as an independent, nonprofit institution devoted to the systematic study of Philippine social conditions. Rather than concentrating solely on commercial market research, SWS defined its role around social analysis, public-opinion measurement, and the development of indicators that could help explain the country's changing political, economic, and social environment. The institution's founding fellows included Mahar Mangahas, Felipe B. Miranda, Mercedes R. Abad, Jose P. de Jesus, Ma. Alcestis Abrera-Mangahas, Gemino H. Abad, and Rosa Linda Tidalgo-Miranda. Their institutional concept linked survey research to public education and civic awareness. SWS describes its mission through the related ideas of education, conscientization, and analysis: research should reveal social realities, encourage recognition of social problems, and support informed consideration of responses. From its early years, SWS developed survey programs covering public opinion, political preferences, economic expectations, and quality of life. Its work became especially prominent during Philippine election cycles. The organization produced research on presidential preferences, senatorial elections, election-day behavior, and public evaluations of political leaders. Publications from the 1990s document surveys connected with the 1992, 1995, and 1998 elections, as well as methodological and analytical discussions of polling performance and public interpretation of survey results. SWS also contributed to the broader professional and academic discussion of polling in the Philippines. Its publications and presentations addressed the conduct of election surveys, the interpretation of public opinion, and the relationship between polling and democratic decision-making. Research associated with the institution was circulated through SWS Bulletins, political and statistical conferences, seminars, briefings, and other forms of public communication. A continuing feature of SWS has been its use of recurring indicators rather than isolated opinion snapshots. Its Social Weather Indicators and related statistical resources have tracked subjects such as changes in quality of life, expectations about future quality of life, expectations concerning the national economy, and satisfaction with the president. These recurring measures allow researchers and the public to compare perceptions across time and to relate public sentiment to political and economic developments. Under the leadership of Mahar Mangahas, identified as president and chief executive officer, SWS has maintained its role as an independent Philippine research institution. It is not a listed corporation and is organized as a private, non-stock, nonprofit body. Its principal institutional output consists of survey data, social indicators, analysis, and public dissemination. The organization remains most visible when it releases nationally reported findings on social conditions, political attitudes, or elections, but its broader function is the long-term construction of evidence about Philippine society.

  • 2004

    Contribution to international polling reference work

    [1]

    SWS-associated scholarship on public-opinion polling in the Philippines appeared in an international historical encyclopedia of public opinion and polling.

  • 1999

    Public discussion of survey freedom

    [1]

    Mahar Mangahas published an institutional discussion defending freedom of survey research and public-opinion polling.

  • 1998

    Expanded election and exit-poll analysis

    [1]

    SWS-related publications and presentations examined the 1998 Philippine elections and reviewed the institution's election-survey work across the 1992, 1995, and 1998 election cycles.

  • 1995

    Senatorial election survey research

    [1]

    SWS published survey research concerning the 1995 senatorial election.

  • 1992

    Election survey and polling-performance studies

    [1]

    The institution conducted and published research on the 1992 Philippine presidential election, including voter-preference surveys, election-day surveys, and an assessment of how its surveys compared with the eventual results.

  • 1991

    Publication of presidential-preference research

    [1]

    SWS published research examining public preferences among prospective presidential candidates, including a reading conducted in November 1991.

  • 1985

    Formal establishment and registration

    [1]

    Social Weather Stations was founded and formally registered with the Philippine Securities and Exchange Commission on August 8, 1985 as a private, non-stock, nonprofit social research institution.

Products and positioning

A leading independent Philippine institution for public-opinion polling, social indicators, and applied social research.

  • Public-opinion research

    SWS National Surveys

    Recurring national surveys measuring Philippine public opinion on social, economic, and political questions. Depending on the research program, these surveys may examine quality of life, economic expectations, political leadership, voter preferences, or other subjects relevant to public debate. Their value lies in repeated measurement that permits comparison across regions and over time.

  • Social indicators

    Social Weather Indicators

    A set of recurring measures used to monitor changes in Philippine social perceptions and conditions. Documented indicators include changes in quality of life, expected changes in quality of life, expectations about the economy, and satisfaction with the president. These measures provide standardized reference points for tracking public sentiment.

  • Political and election research

    Election and Voter-Preference Surveys

    Survey programs focused on elections, including voter preferences, presidential and senatorial contests, election-day surveys, and exit-poll research. SWS has published work associated with several Philippine election cycles and has also analyzed the relationship between polling forecasts and election outcomes.

  • Research data

    Statistical Database

    A research-oriented collection of survey and indicator data intended to support analysis of Philippine social conditions. The database forms part of SWS's broader effort to develop new data sources and make research findings available through publications and other dissemination channels.

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