Facts
A., born in 1952, who has been a widower since March 4, 2003, is a Swiss national residing in the Principality of Liechtenstein. Between 1977 and his retirement in 2017, he was employed in Switzerland, Liechtenstein, and the United Kingdom. By decision dated October 16, 2017, the Liechtenstein Old Age and Survivors' Insurance granted him a monthly old-age pension of CHF 1,349. On the same day, the Swiss Compensation Office (SAK) decided to pay him a regular old-age pension of CHF 1,656 (partial pension under Pension Scale 31) with effect from October 1, 2017. A. filed an objection and requested that a full pension be paid to him under Pension Scale 44. The Federal Administrative Court dismissed his appeal against the SAK's objection decision.Considerations
The Federal Supreme Court confirmed the decision of the Federal Administrative Court. It stated that according to the case law of the Federal Supreme Court, foreign contribution periods are not to be taken into account in the calculation of the Swiss Old Age and Survivors' Insurance (AHV) old-age pension. This results from Article 52 of Regulation (EC) No 883/2004 on the coordination of social security systems, which has adopted the concept of the predecessor Regulation (EEC) No 1408/71. Accordingly, the aggregation of contribution periods is only carried out within the framework of the calculation of the proportionate benefit, but not in the autonomous pension…