Combined, the public and the private sector in Sweden allocate over 3.5% of GDP to research & development (R&D) per year, making Sweden's investment in R&D as a percentage of GDP the second-highest in the world. For several decades the Swedish government has prioritised scientific and R&D activities. As a percentage of GDP, the Swedish government spends the most of any nation on research and development. Sweden tops other European countries in the number of published scientific works per capita.