Policy On The Move

In the summer of 2018, twenty-three thousand Nicaraguans sought protection in Costa Rica in a single day — 8,000 filing asylum claims, another 15,000 waiting to do so. They were fleeing a country in political freefall: protests ignited by President Daniel Ortega’s decision to increase taxes on pensions and social security had spiraled into a national crisis, leaving 448 people dead, 2,800 wounded, and roughly 600 disappeared. Even after Ortega reversed the decree, Nicaraguans continued to demand his resignation for violations of the constitution and basic human rights.

What looked like a bilateral crisis between two Central American neighbors was, in fact, a regional security challenge with direct implications for U.S. interests in the Americas — and an early warning of what cascading forced migration looks like in practice.

A Country Already on the Edge

Costa Rica was not in a position to absorb a mass influx of asylum seekers. By 2018, the country was managing its own cascading crises: a national deficit that had climbed to 7.1 percent of GDP, proposed fiscal reforms that sparked widespread social unrest, and a record 603 homicides driven by drug trafficking and gang violence. Cocaine seizures — 27 tons in 2017, 15 tons in the first half of 2018 alone — underscored the growing reach of transnational criminal networks.

Into this already strained environment came tens of thousands of Nicaraguans, overwhelming an asylum processing system that had neither the staff nor the resources to respond. President Carlos Alvarado turned to the United Nations for financial assistance just to cover the salaries needed to process applications — a sign of how quickly the system had been pushed past capacity.

The Security Calculus

The Alvarado administration’s response reflected a tension that appears repeatedly in forced migration crises: the humanitarian obligation to protect asylum seekers collides with legitimate concerns about border security and national stability.

With no effective mechanism to screen the volume of people arriving, Costa Rica faced exposure to potential security threats — terrorism, ethnocentric violence, and the criminal networks that often exploit displacement. The administration responded by tightening border controls, even as it sought international support for processing capacity. Neither response was sufficient on its own.

Meanwhile, on Costa Rica’s southern border, the early movement of Venezuelans was beginning to create similar pressures — compressing the country from both sides and signaling that this was not a contained bilateral problem but the beginning of a regional cascade.

What This Tells Us About Migration and Regional Security

The 2018 Nicaragua-Costa Rica crisis illustrated three dynamics that have only intensified since:

Forced migration does not respect bilateral frameworks. When a country collapses — politically, economically, or both — its neighbors absorb the consequences regardless of their own capacity or stability. Costa Rica did not cause Nicaragua’s crisis. It inherited it.

Receiving country stability matters as much as origin country conditions. The effectiveness of any humanitarian response depends on the health of the host country’s institutions, economy, and security apparatus. A host country in crisis cannot be expected to manage a mass influx without significant international support.

Cascading effects are predictable and underplanned for. In 2018, the simultaneous pressures from Nicaragua in the north and Venezuela in the south were visible and foreseeable. The international community’s response remained reactive rather than anticipatory — a pattern that has defined multilateral migration management ever since.

Implications for U.S. Policy

The United States has direct interests in regional stability throughout Central America and the broader Americas. When forced migration destabilizes a relatively stable democracy like Costa Rica — increasing illicit activity, straining public services, and creating security vulnerabilities — the downstream effects reach U.S. borders and U.S. foreign policy priorities.

A forward-looking U.S. approach to migration in the Americas cannot be limited to border enforcement. It requires sustained investment in the stability and institutional capacity of receiving countries, early warning systems for emerging displacement crises, and coordinated multilateral responses that get ahead of cascade effects before they become unmanageable.

The 2018 crisis offered a clear preview of what was coming. The question is whether policymakers are paying attention.

This analysis was originally prepared as an Information Memorandum for the Acting Assistant Secretary, as part of graduate coursework at the Elliott School of International Affairs, The George Washington University, September 2018.

Johnnie Williams, M.A.