This was 5% up on the £3.7bn sold over the same period in 2013, L&G revealed in its third quarter results.
It attributed the figures to record bulk annuity sales, which increased by 29% from £2,613m to £3,368m.
But individual annuity sales in the quarter reduced to £125m (Q3 2013: £323m), down 61%, with total sales in the nine months to September of £508m (Q3 2013: £1,077m), down 53% compared to the first nine months of 2013.
Total international assets increased by 45% to £86.5bn (Q3 2013: £59.6bn), with new flows of £7.2bn (Q3 YTD 2013: £14.0bn).