Payment Systems
An efficient, secure and reliable payment system reduces the cost of exchanging goods and services, enhances the stability of the financial sector, and expands access to financial services.

Remittances
Remittances are now probably the largest source of external financing in developing countries. However, they can be expensive relative to the often low incomes of migrant workers and the rather small amounts sent.

Payment Systems Worldwide: A Snapshot. Outcomes of the Global Payment Systems Survey 2010 This document analyzes the outcomes the second iteration of a comprehensive survey carried out by the World Bank’s Payment Systems Development Group in 139 countries. The outcomes are expected to guide reform efforts in the payment system arena both nationally and globally.

Remittance Prices Worldwide 
provides data on the cost of sending and receiving small amounts of money from one country to another. The site covers 213 "country corridors" worldwide, from 31 remittance sending countries to 91 receiving countries. 
Send Money Africa focuses on sending money from selected countries worldwide to a number of African countries, as well as within the African continent.

World Bank-IFC Financial Infrastructure Conference. This three-day conference held by the World Bank-IFC covered access and stability issues related to Financial Infrastructure (payment systems, remittances, collateral registries/secured transactions, credit reporting). Rio de Janeiro, Brazil. March 14-17, 2011.