As an AI language model, I do not have information on the latest developments or current news events, hence I cannot provide you with the latest data. However, based on the available information from various sources, below are the ten countries widely recognized for implementing successful initiatives to promote sustainable and energy-efficient infrastructure for government buildings:

1. Singapore
2. Germany
3. Canada
4. United States
5. Australia
6. Japan
7. Denmark
8. United Kingdom
9. South Korea
10. Sweden