Development of the Estate System in the 1050s

Timeline

1. 1051–1054Ōmi Province · KinkiIn the early 1050s, estate lands in provinces such as Ōmi, Kawachi, and Harima continued to expand cultivated acreage through the myōden system; lords controlled myōden households through rent and labor service, further weakening the kokuga's actual control over land.
2. 1055–1057Tōdai-ji estates · KinkiIn the mid-1050s, great temples and shrines such as Tōdai-ji and Enryaku-ji obtained tax-exempt privileges through dedication-type estates; powerful clans nominally donated land to temples and shrines to evade kokuga land inspections, and tax-exempt and no-entry privileges for estates became increasingly common.
3. 1058–1060Heian-kyō · KinkiBy the late 1050s, the estate system covered most cultivated land in the capital region and the western provinces; kokuga tax revenue shrank, and the court's finances relied on contributions from the regent family and temples and shrines, providing a direct impetus for Emperor Go-Sanjō's later estate reforms.