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Halcyon's 52:52:52 campaign on this site and on Twitter will start in late 2020. It will help you address 52 issues with 52 responses over 52 weeks.

Part consultancy, part thinktank, part social enterprise, Halcyon helps you prepare for and respond to personal, organisational and societal change.

A Mundane Comedy is Halcyon's new book. Extracts will appear on this site and on social media during late 2020. Please get in touch with any questions about the book or related Halcyon services.

Halcyon monitors change for more than 150 key elements of life.

Population

What Counts? - Global Population Trends

Demographics

 

 

HOW GLOBAL POPULATIONS REACHED ITS CURRENT LEVEL

It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. But growth has begun slowing, as women have fewer babies on average. When will our global population peak? And how can we minimize our impact on Earth’s resources, even as we approach 11 billion?

 

POPULATION GROWTH IS NOW DECLINING