It’s that time of year again, the time when we ask some of our favourite statistically-inclined people for their numbers of the year. We present them to you - from falling birth rates in India to children saved by vaccines.

Contributors: RukminiS, Data for IndiaProfessor Sir David Spiegelhalter, Cambridge University, Hannah Ritchie, Our World in Data.

Presenter: Charlotte McDonaldProducers: Lizzy McNeill and Vicky BakerSeries Producer: Tom CollsEditor: Richard VadonSound Engineer: Donald McDonald and Rod Farquhar