The document summarizes six key findings from a study on R&D inputs into the UK's innovation system. The findings are: (1) total R&D expenditure in the UK has fallen relative to GDP since the 1990s, (2) business R&D spending is low compared to other countries, (3) the largest 10 and 50 R&D spending businesses account for a large portion of total UK R&D, (4) small and medium businesses account for a small percentage of R&D spending and funding, (5) overseas R&D investment in the UK is high but growing more slowly in recent years, and (6) since the financial crisis, UK competitors increased higher education R&D spending