Skip to Main Navigation


Advancing Green, Resilient and Inclusive Development



Why is the “quality” of infrastructure investment essential for building back ...

Isn’t achieving high-quality growth a goal of infrastructure investment? The Principles for Quality Infrastructure Investment (QII) propose inclusive, resilient decisions to affect the economy, environment, and society—central now to building back better from COVID-19.

Annual Report

Quality Infrastructure Investment Partnership : 2021 QII

In April 2020, the G20 endorsed an action plan for promoting quality infrastructure investment and accelerate efforts to mobilize private sources for infrastructure financing.


Quality Infrastructure Investment: Ensuring a lasting recovery

Jane Jamieson, Program Manager of the QII Partnership, explains what Quality Infrastructure Investment is and how it contributes to sustainable development.


Urban infrastructure in Japan: Lessons from infrastructure quality investment ...

Infrastructure is profoundly connected with—and drives—development. Find out how the Quality Infrastructure Investment principles were successfully applied in the Japanese cities of Toyoma and Fukuoka.


What is QII?

The G-20 set forth six principles that provide a strategic direction for infrastructure investment. The QII Principles build on the consensus that well-built and sustainable infrastructure is a significant driver of economic prosperity.

About the QII Partnership

The World Bank Group and the government of Japan established the Quality Infrastructure Investment (QII) Partnership to raise awareness and scale up attention to the quality dimensions of infrastructure in developing countries.

Contact Us

QII Program Manager
Jane Jamieson
Washington, DC
Tel : +1-202-473-3412
Program Officer
Naomitsu Nakagawa
Tokyo, Japan
Tel : +81-3-35976189