Please note: Below you will find an executive summary and the introduction contained in the policy brief. The complete paper can be downloaded as a PDF  here . Summary Ranked alphabetically, the most ambitious countries in quantum computing are Australia, Canada, France and Germany, as well as the UK and the US, followed by Japan and South Korea. Trailing behind are Denmark, Ireland, and Singapore.  In post-quantum cryptography, Germany leads jointly with Australia, Denmark, France, Ireland,