Remittances
Remittances are financial transfers sent by migrants back to their home countries, typically to family members to cover living expenses like education and healthcare. For many developing economies, remittances represent a larger and more stable source of income than official development aid or foreign direct investment. In countries like the Philippines and Mexico, remittance inflows make up a significant share of GDP.
Remittances and Economic Impact
Remittances affect receiving economies through several channels:
- Household income and consumption: Families receiving remittances can afford better nutrition, housing, and consumer goods, directly raising living standards.
- Human capital development: Higher household income translates into greater spending on education and healthcare. Children in remittance-receiving families are more likely to stay in school.
- Safety net during shocks: Remittance flows tend to be countercyclical relative to conditions in the home country. When a crisis hits (a natural disaster, a recession), migrants often send more money to help their families cope. After the 2010 Haiti earthquake, for example, remittances to Haiti surged.
- Foreign exchange reserves: Steady remittance inflows boost a country's foreign currency holdings, which helps stabilize the exchange rate and improves creditworthiness.
- Economic growth: Increased consumption and investment spending from remittance income contributes to aggregate demand and can stimulate broader development.
Determinants of Remittance Flows
What drives how much money flows back? Several factors interact:
- Size of the diaspora: A larger migrant population abroad generally means higher total remittances. India and China top global remittance receipts partly because of the sheer number of their citizens working overseas.
- Migrant income levels: Higher wages in destination countries enable migrants to send more. The oil boom in Gulf states, for instance, boosted remittances to South and Southeast Asia.
- Exchange rates: When the home country's currency weakens, each dollar or euro sent buys more locally, which can encourage remitting. The reverse discourages it.
- Transaction costs: High fees eat into the amount families actually receive. The global average cost of sending $200 is still around 6%, well above the UN's 3% target. Lower-cost channels like mobile money platforms (M-Pesa in Kenya) and online transfer services have helped bring costs down.
- Migration and remittance policies: Restrictive immigration policies (quotas, strict skill requirements) reduce the migrant population and therefore remittance flows. On the other hand, bilateral agreements between countries can create safer, cheaper transfer channels.
- Economic conditions in destination countries: A recession in the host economy reduces migrant employment and wages, cutting remittances. During the 2008 financial crisis, remittance flows to Latin America dropped noticeably before recovering.
Brain Drain and Brain Gain
When people migrate, they carry their skills and education with them. Brain drain refers to the emigration of highly skilled and educated individuals from their home country. Brain gain describes the benefits that can flow back when those migrants return, invest, or share knowledge from abroad. The net effect on a sending country depends on which force dominates.

Brain Drain and Development
Brain drain imposes real costs on sending countries:
- Lost human capital investment: Governments spend public funds educating doctors, engineers, and scientists. When those professionals emigrate, the home country never recoups that investment. Sub-Saharan Africa, for example, loses a significant share of its medical graduates to wealthier nations.
- Skill shortages in critical sectors: The departure of healthcare workers, teachers, and engineers creates gaps that directly hurt service delivery. Rural hospitals may go understaffed; schools lose their best-trained faculty.
- Reduced innovation and productivity: Fewer skilled workers means slower adoption of new technologies and less homegrown research and development.
Brain drain hinders development through three reinforcing mechanisms:
- Slower technological progress as the talent needed to adapt and implement new technologies leaves.
- A shrinking tax base, which reduces government revenue available for public investment in infrastructure and institutions.
- Fewer knowledge spillovers, since skilled professionals who might have mentored others, started firms, or transferred expertise are no longer present in the local economy.
Brain Gain
Brain gain occurs when the sending country captures benefits from its emigrants' skills and networks, even if those people remain abroad.
- Knowledge and technology transfer: Returning migrants bring back expertise, management practices, and technical skills acquired overseas. Taiwan's semiconductor industry benefited enormously from Taiwanese engineers who had worked in Silicon Valley and then returned to build firms at home.
- Diaspora trade and investment networks: Migrants maintain connections to both countries, which lowers information barriers and facilitates cross-border trade and investment.
- Remittances and diaspora capital: Beyond household remittances, diaspora members invest in businesses and infrastructure back home. Some countries issue diaspora bonds to tap into this capital (India and Israel have done this successfully).
- Circular migration: Rather than a one-way departure, circular migration allows skilled workers to move back and forth, transferring knowledge in both directions. China's "sea turtles" (overseas-educated Chinese who return) have been a major force in the country's tech sector. Programs like the UN's TOKTEN (Transfer of Knowledge Through Expatriate Nationals) formalize this by sending diaspora experts on short-term assignments in their home countries.
For destination countries, skilled immigration fills labor market gaps (the U.S. H-1B visa program addresses shortages in tech and healthcare) and boosts innovation through diverse perspectives.
Policies to Maximize Remittance Benefits and Address Brain Drain
Governments and international organizations can pursue several strategies:
On remittances:
- Reduce transaction costs through competition, technology (mobile money, online platforms), and regulatory reform
- Promote financial inclusion so remittance-receiving households have access to bank accounts and savings instruments, channeling funds toward productive investment rather than just consumption
- Improve financial literacy to help families use remittances for education, health, and entrepreneurship
On brain drain/gain:
- Invest in expanding education and training capacity so that emigration of some graduates doesn't create absolute shortages
- Create incentives for skilled professionals to stay or return: tax breaks, competitive salaries, research funding, and improved working conditions
- Engage the diaspora actively through knowledge-sharing programs, investment platforms, and diaspora bonds
- Promote ethical recruitment practices internationally to prevent exploitation and to ensure sending countries aren't systematically stripped of essential workers
- Encourage circular migration and skill-sharing arrangements that benefit both sending and receiving countries