E.g., 06/08/2026
E.g., 06/08/2026
Ariel G. Ruiz Soto
Experts & Staff
Ariel G. Ruiz Soto

Ariel G. Ruiz Soto

Senior Policy Analyst

(202) 266-1902

  | @ruizags

Ariel G. Ruiz Soto is a Senior Policy Analyst at MPI, where he works with the U.S. Immigration Policy Program and the Latin America and Caribbean Initiative.

His research examines the interaction of migration policies in the region that stretches from Panama to Canada, as well as their intended and unintended consequences for foreign- and native-born populations. He also analyzes demographic trends across the region and methodological approaches to estimate the unauthorized immigrant population in the United States.

Mr. Ruiz Soto holds a master’s degree from the University of Chicago’s School of Social Service Administration with an emphasis on immigration policy and service provision, and a bachelor’s degree in sociology from Whitman College.

Bio Page Tabs

Fact sheet thumbnail for 2025 unauthorized immigrants research
Fact Sheets
October 2025
By  Julia Gelatt, Ariel G. Ruiz Soto and James D. Bachmeier
Cover image for Facing New Migration Realities...
Policy Briefs
May 2025
By  Ariel G. Ruiz Soto, Doris Meissner and Andrew Selee
Cover image for U.S. Legal Pathways for Mexican and Central American Immigrants
Fact Sheets
August 2024
By  Ariel G. Ruiz Soto and Andrew Selee
Cover image for Building on Regular Pathways to Address Migration Pressures in the Americas
Reports
June 2024
By  María Jesús Mora, Ariel G. Ruiz Soto and Andrew Selee
Cover image for Construyendo vías regulares para abordar presiones migratorias...
Reports
June 2024
By  María Jesús Mora, Ariel G. Ruiz Soto and Andrew Selee
Shifting Realities at the U.S.-Mexico Border report
Reports
January 2024
By  Ariel G. Ruiz Soto, Colleen Putzel-Kavanaugh and Doris Meissner
Cover image for Migration Narratives in Northern Central America
Reports
June 2023
By  Ariel G. Ruiz Soto, Natalia Banulescu-Bogdan, Aaron Clark-Ginsberg, Alejandra Lopez and Alejandro Vélez Salas
Cover image for Programas de trabajadores temporales en Canadá, México y Costa Rica
Reports
June 2022
By  Cristobal Ramón, Ariel G. Ruiz Soto, María Jesús Mora and Ana Martín Gil

Pages

A woman wearing scrubs in a health-care setting reviews a chart

The Trump administration is seeking to all but eliminate Temporary Protected Status (TPS), a humanitarian safeguard for U.S.-resident noncitizens whose home countries were too dangerous or unstable for return. While critics say the term "temporary" has been stretched beyond recognition, TPS has become a mainstay. This article examines the history and use of TPS, the debate over its future, and holders of the status. 

Venezuelan migrants wait for processing in Brazil.

Amid unprecedented migration that began in 2010, Latin America and the Caribbean have entered a new era best defined by volatility. The success of initial policy responses to the displacement of millions of Venezuelans and other migration patterns has dimmed, given incomplete integration outcomes and other pressures. This article details these dynamics across the Caribbean and Central and South America.

Migrantes venezolanos esperan procesamiento en Brasil.

Un nivel histórico de migración está transformando las sociedades y la política en América Latina y el Caribe, dando paso a una etapa definida por la volatilidad. Este artículo analiza estas dinámicas en el Caribe y Centroamérica y Sudamérica, y analiza la probabilidad de que la región se acerque a un punto de inflexión en la gestión de la migración.

Venezuelan migrants at the Colombian border.

Political and economic crises, new free-movement arrangements, and other trends are transforming countries across Latin America and the Caribbean, a region once known primarily for its emigration. The number of immigrants living in the region has nearly doubled since 2010, an incredible change in a short period of time. This article makes sense of a profound transition underway in the Western Hemisphere.

Migrantes venezolanos en la frontera colombiana.

Los países de América Latina y el Caribe están siendo transformados por crisis políticas y económicas, nuevos acuerdos de libre circulación y otras tendencias. La cantidad de inmigrantes que viven en la región casi se ha duplicado desde 2010, un cambio increíble en un corto período de tiempo. Este artículo da sentido a una profunda transición en curso en el hemisferio occidental.

A woman walks alongside a train in Mexico.

In recent years, women from Central America have begun to make up a greater share of migrant apprehensions in Mexico and at the U.S. Southwest border. Systemic insecurity, poverty, and corruption are among the factors driving women and others to flee. This article explores the increase in female migration from Central America and the challenges these women face on their journey.

ICE agent

In its first year, the Trump administration moved to deliver on some of Donald Trump’s campaign promises on immigration, including ramping up enforcement in the U.S. interior and ending the Deferred Action for Childhood Arrivals (DACA) program. The administration also announced the termination of Temporary Protected Status (TPS) for nationals of some countries. This article explores some of the top policy changes.

OntheRoad MathiasDepardon UNHCR

Smugglers and migrants adapted their paths in light of changing conditions in 2016, including the construction of walls and closure of borders. Cuban and Haitian migrants increasingly chose to make their way to the United States through South and Central America rather than by sea. Meanwhile, migrant flows to Europe have splintered into a wider range of routes, seeking new openings through the Western Balkans.

NeerasNewUmbrella McBeth Flickr

Immigrant women constitute a varied and dynamic population in the United States with 51 percent or 21.2 million of the country's total foreign-born population. Examining key gender-based socioeconomic indicators from origin and fertility to educational attainment and immigration status, this Spotlight raises implications for sending and receiving countries, with respect to labor opportunities, family structure, gender roles, and more.

A Guatemalan man reflects on his migration to and back from the United States
Short Reads
April 2025
By  María Jesús Mora and Ariel G. Ruiz Soto
Un hombre guatemalteco reflexiona sobre su migración hacia y desde Estados Unidos.
Short Reads
April 2025
By  María Jesús Mora and Ariel G. Ruiz Soto
Photo of migrants in line at port of entry in Brownsville awaiting possible entry
Short Reads
February 2025
By  Jennifer Van Hook, Ariel G. Ruiz Soto and Julia Gelatt
Montage of photos of Presidents Sheinbaum and Trump
Short Reads
February 2025
By  Ariel G. Ruiz Soto and Andrew Selee
CBP agent at San Ysidro port of entry
Short Reads
October 2024
By  Colleen Putzel-Kavanaugh and Ariel G. Ruiz Soto
A DACA recipient speaks at a DACA 12th anniversary event at the White House
Short Reads
July 2024
By  Ariel G. Ruiz Soto, Julia Gelatt and Jennifer Van Hook
CBP personnel process and screen migrants for possible entry into the U.S.
Short Reads
October 2023
By  Colleen Putzel-Kavanaugh and Ariel G. Ruiz Soto
Vice President Kamala Harris participates in a DACA roundtable
Short Reads
September 2023
By  Jennifer Van Hook, Julia Gelatt and Ariel G. Ruiz Soto
President Biden meets with DACA recipients
Short Reads
September 2023
By  Ariel G. Ruiz Soto and Julia Gelatt
Photo of CBP One App poster at shelter in Reynosa, Mexico
Short Reads
April 2023
By  Doris Meissner, Ariel G. Ruiz Soto and Colleen Putzel-Kavanaugh
Image of Central American migrant caravan passing through Chiapas, Mexico
Short Reads
April 2022
By  Ariel G. Ruiz Soto and Andrew Selee
MigrantCaravanMXCity2018_Wotancito_WikiCommons
Short Reads
July 2019
By  Andrew Selee, Silvia E. Giorguli-Saucedo, Claudia Masferrer and Ariel G. Ruiz Soto
MigrantsTijuanaRiverBed_BBCWorldService2014
Short Reads
July 2019
By  Andrew Selee, Silvia E. Giorguli-Saucedo, Claudia Masferrer and Ariel G. Ruiz Soto
Deferred Action Summit
Short Reads
June 2018
By  Julia Gelatt and Ariel G. Ruiz Soto
Expert Q&A, Audio
June 2, 2026

FIFA World Cup 2026 arrives amid stricter U.S. immigration policies that are limiting access for fans from dozens of countries. This World of Migration episode features sports journalist Albert Samaha on what the intersection of sports and immigration at the World Cup, including visa barriers and stepped-up enforcement, could mean, including for the 2028 Summer Olympics in Los Angeles.

Book-On the Move: Rapidly Evolving Migration Trends and Policies in Latin America and the Caribbean
Video
September 8, 2025

Esta conversación oportuna y provocadora sobre la migración en las Américas presenta los principales hallazgos de los autores, patrones sorprendentes y las urgentes preguntas de política pública que enfrenta hoy América Latina y el Caribe.  

Central american migrants resting at Casa del Migrante in Tecun Uman, Guatemala.
Video
June 7, 2023

Marking release of a report, experts on this webinar examine migration narratives since 2018 and how they have been used to justify policy approaches or incentivize mobility decisions.

Expert Q&A, Audio
May 18, 2023

MPI President Andrew Selee and two colleagues who joined him at the U.S.-Mexico border to examine increasingly sophisticated U.S. Customs and Border Protection operations discuss the evolution of policies and procedures to address asylum seekers and other migrants arriving at official ports of entry.

Expert Q&A, Audio
April 24, 2023

How are U.S. border operations and policies evolving at the U.S.-Mexico border to address rising and diversifying flows? And what is driving increasing immigration from across Latin America, the Caribbean, and beyond? MPI President Andrew Selee speaks with two colleagues who traveled from one end of the nearly 2,000-mile boundary to the other, touring U.S. Customs and Border Protection facilities and interviewing U.S. and Mexican officials, NGO leaders, and others.

Pages

Testimony
May 2021

Testimony of Migration Policy Institute Policy Analyst Ariel Ruiz Soto before the House Homeland Security Committee's Subcommittee on Oversight, Management, and Accountability on May 6, 2021, on addressing migration push factors in Central America.

A judge's gavel with multicolor background
Explainers
October 2024

A significant and growing body of research at U.S., state, and local levels demonstrates that immigrants commit crimes at lower rates than the U.S.-born population. This explainer delves into the key takeaways and also looks at the screening process for new arrivals.

Recent Activity

Expert Q&A, Audio
June 2, 2026

FIFA World Cup 2026 arrives amid stricter U.S. immigration policies that are limiting access for fans from dozens of countries. This World of Migration episode features sports journalist Albert Samaha on what the intersection of sports and immigration at the World Cup, including visa barriers and stepped-up enforcement, could mean, including for the 2028 Summer Olympics in Los Angeles.

Articles

The Trump administration is seeking to all but eliminate Temporary Protected Status (TPS), a humanitarian safeguard for U.S.-resident noncitizens whose home countries were too dangerous or unstable for return. While critics say the term "temporary" has been stretched beyond recognition, TPS has become a mainstay. This article examines the history and use of TPS, the debate over its future, and holders of the status. 

Short Reads
March 2026

The Trump administration has signed deportation agreements with 27 countries, with outreach planned to dozens of others, to help facilitate its mass deportations agenda. Yet these third-country deportation arrangements account for a fraction of overall deportations—suggesting this policy is more about creating a climate of fear than facilitating large numbers of removals.

Short Reads
October 2025

The transformation in U.S. immigration enforcement taking place at the U.S.-Mexico border and in communities across the United States during the second Trump term is tangibly captured in government data for fiscal year (FY) 2025. This short read sifts through the available data to look at encounters, arrests, detentions, and deportations during the fiscal year.

Fact Sheets
October 2025

The 13.7 million unauthorized immigrants living in the United States as of mid-2023 reflect increasingly diverse origins, socioeconomic and labor market characteristics, family composition, and places of settlement. This fact sheet explores those trends, drawing on MPI's detailed data profiles of the unauthorized immigrant population at U.S., state, and top county levels. 

Articles

Un nivel histórico de migración está transformando las sociedades y la política en América Latina y el Caribe, dando paso a una etapa definida por la volatilidad. Este artículo analiza estas dinámicas en el Caribe y Centroamérica y Sudamérica, y analiza la probabilidad de que la región se acerque a un punto de inflexión en la gestión de la migración.

Articles

Amid unprecedented migration that began in 2010, Latin America and the Caribbean have entered a new era best defined by volatility. The success of initial policy responses to the displacement of millions of Venezuelans and other migration patterns has dimmed, given incomplete integration outcomes and other pressures. This article details these dynamics across the Caribbean and Central and South America.

Video, Webinars
September 8, 2025

Esta conversación oportuna y provocadora sobre la migración en las Américas presenta los principales hallazgos de los autores, patrones sorprendentes y las urgentes preguntas de política pública que enfrenta hoy América Latina y el Caribe.  

Pages