Open defecation is the practice of people defecating outside, such as in street gutters, behind bushes or into open bodies of water. Between 2000 and 2017, the world nearly...

Haruna Kashiwase |

The future of the sanitation economy: Perspectives on World Toilet Day

Maria Angelica Sotomayor, Martin Gambrill |

According to the latest available purchasing power parity (PPP) data, China’s gross domestic product (GDP) in PPP terms overtook the USA’s in 2013, and now accounts for nearly 19% of the global…

Edie Purdie |

The ICP blog series explores ideas and issues under the International Comparison Program umbrella – including innovations in price and data collection, discussions on purpose and methodology, as…

Edie Purdie |

Mr. Kannan, a differently abled social entrepreneur. (Photo: Varalakshmi Vemuru) During my recent mission visit to Sivagangai District in Tamil Nadu, India, I met with Mr. Kannan, a social…

Varalakshmi Vemuru |