Let’s work together to create a happier world
Double your donation on Giving Tuesday
StrongMinds, a non-profit providing cheap, effective treatment for women struggling with depression in Uganda and Zambia.
Against Malaria Foundation, which funds, and helps coordinate, the distribution of long-lasting insecticidal bednets to help prevent malaria in sub-Saharan Africa, South Asia, South and Central America, and Oceania.


Double your donation on Giving Tuesday
StrongMinds, a non-profit providing cheap, effective treatment for women struggling with depression in Uganda and Zambia.
Against Malaria Foundation, which funds, and helps coordinate, the distribution of long-lasting insecticidal bednets to help prevent malaria in sub-Saharan Africa, South Asia, South and Central America, and Oceania.

Our latest news and research
HLI’s Giving Season 2023 Research Overview
In this report, we provide an overview of all our evaluations to date as well as our conclusions for Giving Season 2023. Read more
Talking through depression: The cost-effectiveness of psychotherapy in LMICs, revised and expanded
In this substantial update to our work on psychotherapy we conduct a systematic review, a meta-analysis, and cost-effectiveness analyses of two charities who deliver psychotherapy (StrongMinds and Friendship Bench). This is a working report that will be updated over time, results may change. Read more
Research Agenda 2023
We set out our research priorities. Read more






Measuring what matters
You might think it is the only thing that matters.
Today, large population surveys allow us to measure and track wellbeing across the world. We can stop relying on measures of wealth or health as our best guess for how people’s lives are going.
But what is wellbeing and how can we measure it?
You can make a difference
Our research shows that treating depression in low-income countries is four times more cost-effective than providing direct cash transfers.
