PBO’s projection of real GDP growth is slightly lower than Finance Canada over 2017-2022 and 2023-2035. Over the period 2036-2055, the difference between the projections widens to 0.2 percentage points annually (1.6 per cent versus 1.8 per cent), on average.
Both PBO and Finance Canada project the federal budgetary balance (relative to the size of the economy) to increase over the long term.
Relative to the size of the economy, PBO and Finance Canada project federal government debt to decline over the long term.
Based on PBO and Finance Canada projections, we estimate that over 2017 to 2055 the federal government could increase spending or reduce taxes by 0.6-0.7 per cent of GDP (roughly $13 billion in current dollars) annually while maintaining fiscal sustainability.