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We receive no public funding and are grateful to our supporters worldwide for helping us to campaign on population and sustainability.

Individuals and organizations may become a member or make a donation without joining. Members receive our publications and invitations to volunteering, group activities and our annual conference.

Membership is free for individuals less than 19 years of age and individuals and organizations in a country that is not an OECD member if they agree to receive our publications only via email.

We accept all currencies via debit or credit card.

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Annually recurring (£25)  
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19-25, unwaged & 65+ (£12.50)  
Life (£375)  

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You may instead use our print form or call us on +44 (0)208 1239116 to donate, join or renew.

We accept contributions via the Charities Aid Foundation as well.

You can give membership or make a donation as a gift: just contact us with the name of the recipient and your message.

Please consider leaving a gift in your will and contributing in other ways as well.

Please contact us if any of your contact details have changed.

Why donate
The level of population is one of the key issues affecting our children’s future. Your support will help us to move population up the political and media agenda and keep it there. Your contributions enable us to carry out our research, education, campaigning, lobbying activities and events by paying for our expert associates, staff salaries, office expenses and publicity materials. Here are some of the specific areas for which we need funding.

Developing the evidence
We are publishing a series of research reports on the links between population and resources: food, water, energy, housing and so on. Volunteers play a role but we need funds to cover the managerial and organisational requirements of publishing the series.


Educating young people
We are in the process of developing material on population for use by teachers in Geography Key Stages 3 & 4 (11 – 16). We are already providing access to third-party and international materials, but need material specifically designed for use in the UK on the many links between population and sustainability.

Lobbying government
We lobby both governments and international institutions by attending meetings and conferences and responding to consultations. As part of this, we staff stalls, speak at fringe meetings and provide delegates with briefings.

Challenging campaigners
Some environmental and developmental campaign groups recognise that addressing population growth would help them achieve their specific objectives, but many do not. We seek to engage with these groups and persuade them to see the bigger picture.

Resourcing activists
Individual members are forming local groups and raising the issue of population in their area, where the impact of population growth is most apparent. We support these groups with advice and materials.

Give with Confidence

View our fundraising standards and complaints policy.