A family working-time model that operated on the assumptions above could sizeably increase the length of working hours for a number of German employees (see Annex Figure 3.A2.1). Potential male claimants w'ould number around 815 000 employees - of whom just under 800 000 are in dual-eamer couples and about 15 000 are single fathers. As for possibly eligible claimants among female employees, there are 910 000, of whom about 800 000 are in dual-eamer couples and about 105 000 are single mothers.