WMT 2020 is a collection of datasets used in shared tasks of the Fifth Conference on Machine Translation. The conference builds on a series of annual workshops and conferences on Statistical Machine Translation.

The conference featured ten shared tasks:

• a news translation task,
• a biomedical translation task,
• a similar language translation task,
• an unsupervised and very low resource translation task,
• an automatic post-editing task,
• a metrics task (assess MT quality given reference translation),
• a quality estimation task (assess MT quality without access to any reference),
• a parallel corpus filtering and alignment task,
• a lifelong learning in MT task,
• a chat translation task.