ブルガリアの独身税と出生率
ネットの情報を鵜呑みにしてはいけない例。
ブルガリア労働・社会政策省の"National Demographic Strategy of the Republic of Bulgaria (2006 - 2020)"の出生促進策の解説。
The active pronatal policy was started in 1967 and was developed step by step in the following years. Direct measures f