The recovery of World Bank loans will be affected by many factors. Generally speaking, the World Bank carefully evaluates and supervises the loan projects, and cooperates with the recipient countries to ensure that the loan funds are effectively utilized and the expected development results are achieved. However, sometimes there are some unpredictable risks and challenges that may affect the recovery of loans.

The following are some common factors that affect the recovery of World Bank loans:

1. political and economic stability: political and economic instability may lead to the failure to implement the loan project as planned, thus affecting the loan recovery.

2. Project management ability: The project management ability of the loan recipient country is very important for loan recovery. If the project management is not good, the use of funds may not reach the expected goal, thus affecting the recovery of loans.

3. Economic growth and income level: If the economic growth of the loan recipient country is slow and the income level is low, it may affect the repayment ability, thus affecting the loan recovery.

4. Natural disasters and other emergencies: Natural disasters and other emergencies may undermine the implementation of loan projects, resulting in the failure to repay loans on time.

5. World Bank's credit policy: The World Bank has a set of strict credit policies and evaluation procedures to ensure the feasibility of loan projects. If the loan project fails to meet the requirements of the World Bank, it may affect the recovery of the loan.

Generally speaking, the World Bank has been trying to ensure the recovery of loans, but due to the complexity and unpredictability of various factors, it is impossible to guarantee that all loans can be recovered. However, the World Bank will try its best to ensure the effective use and recovery of loans through cooperation and supervision with loan recipients.