The Cuban government has announced that their population has fallen by 10% in two years \u2013 just days after a demographer on the Caribbean island suggested an even bigger fall.
But which is the right number, and why are so many people leaving?
We speak to Dr Emily Morris from University College London and Dr Jorge Duany from the Cuban Research Institute at Florida International University.
Presenter: Kate Lamble\nProducer: Beth Ashmead Latham\nSeries producer: Tom Colls\nProduction co-ordinator: Katie Morrison\nSound mix: Sue Maillot\nEditor: Richard Vadon