Andrés Castañeda
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External writing

Collaborative writing on poverty, data, and development.

Authored and coauthored posts on the World Bank Data Blog. These 33 articles link to the original publisher, with verified publication dates and author lists. Coverage follows the publisher’s current English author index, reviewed on 23 October 2026.

September 22, 2026

World Bank Data Blog

September 2026 Global Poverty Update from the World Bank: One in ten worldwide live in extreme poverty

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Laura Moreno Herrera; R. Andres Castaneda Aguilar; Christoph Lakner; Gabriel Lara Ibarra; Minh Cong Nguyen

March 26, 2026

World Bank Data Blog

March 2026 global poverty update from the World Bank: New data and updated poverty numbers

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Jonas Helth Lønborg; Martha Viveros; R. Andres Castaneda Aguilar; Christoph Lakner; Gabriel Lara Ibarra; Minh Cong Nguyen

September 30, 2025

World Bank Data Blog

September 2025 global poverty update from the World Bank: New data and regional classifications

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Jonas Helth Lønborg; Martha Viveros; R. Andres Castaneda Aguilar; Christoph Lakner; Gabriel Lara Ibarra; Minh Cong Nguyen; Daniel Gerszon Mahler

June 5, 2025

World Bank Data Blog

June 2025 global poverty update from the World Bank: 2021 PPPs and new country-data

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Jonas Helth Lønborg; Martha Viveros; R. Andres Castaneda Aguilar; Christoph Lakner; Gabriel Lara Ibarra; Minh Cong Nguyen; Samuel Kofi Tetteh Baah

September 20, 2024

World Bank Data Blog

September 2024 global poverty update from the World Bank: revised estimates up to 2024

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Carolina Diaz-Bonilla; Christoph Lakner; Minh Cong Nguyen; Martha Viveros; Samuel Kofi Tetteh Baah

April 25, 2024

World Bank Data Blog

From frustration to JOYn: Introducing joyn for R, a tool for smarter (but not harder) data joins

Introduces joyn, an R package for diagnosing table joins and reviewing matched and unmatched observations.

Authors

Rossana Tatulli; R. Andres Castaneda Aguilar; Zander Prinsloo

March 26, 2024

World Bank Data Blog

March 2024 global poverty update from the World Bank: first estimates of global poverty until 2022 from survey data

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Carolina Diaz-Bonilla; Tony Fujs; Christoph Lakner; Minh Cong Nguyen; Martha Viveros; Samuel Kofi Tetteh Baah

January 9, 2024

World Bank Data Blog

Societal poverty measures in the Poverty and Inequality Platform (PIP)

Explains how to access and interpret societal poverty estimates in PIP.

Authors

Samuel Kofi Tetteh Baah; R. Andres Castaneda Aguilar; Martha Viveros; Dean Mitchell Jolliffe; Christoph Lakner

October 10, 2023

World Bank Data Blog

Putting a spotlight on the World Bank’s inequality data

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Zander Prinsloo; R. Andres Castaneda Aguilar; Christoph Lakner

September 20, 2023

World Bank Data Blog

September 2023 global poverty update from the World Bank: new data on poverty during the pandemic in Asia

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Samuel Kofi Tetteh Baah; R. Andres Castaneda Aguilar; Carolina Diaz-Bonilla; Tony Fujs; Christoph Lakner; Minh Cong Nguyen; Martha Viveros

March 29, 2023

World Bank Data Blog

March 2023 global poverty update from the World Bank: the challenge of estimating poverty in the pandemic

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

Samuel Kofi Tetteh Baah; R. Andres Castaneda Aguilar; Carolina Diaz-Bonilla; Tony Fujs; Christoph Lakner; Minh Cong Nguyen; Martha Viveros

September 14, 2022

World Bank Data Blog

September 2022 global poverty update from the World Bank: 2017 PPPs and new data for India

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Carolina Diaz-Bonilla; Tony Fujs; Christoph Lakner; Daniel Gerszon Mahler; Minh Cong Nguyen; Marta Schoch; Samuel Kofi Tetteh Baah; Martha Viveros; Haoyu Wu; Nishant Yonzan

June 13, 2022

World Bank Data Blog

How to use PIP’s API

Introduces the PIP API and ways to retrieve poverty and inequality data.

Authors

Tony Fujs; R. Andres Castaneda Aguilar; Martha Viveros

June 6, 2022

World Bank Data Blog

How to use PIP’s Statistics Online (SOL)

Explains the Statistics Online tool for calculating statistics from distributional data.

Authors

Martha Viveros; R. Andres Castaneda Aguilar; Minh Cong Nguyen

May 31, 2022

World Bank Data Blog

How to use PIP’s Poverty Calculator page

Walks through country comparisons and poverty-line scenarios in the PIP Poverty Calculator.

Authors

Martha Viveros; R. Andres Castaneda Aguilar; Tony Fujs

May 23, 2022

World Bank Data Blog

How to use PIP’s Country Profiles page

Explains how to use PIP country profiles to explore poverty and inequality indicators.

Authors

Martha Viveros; R. Andres Castaneda Aguilar; Minh Cong Nguyen

May 16, 2022

World Bank Data Blog

How to use the PIP Homepage

Introduces navigation and data exploration on the PIP homepage.

Authors

Martha Viveros; R. Andres Castaneda Aguilar; Tony Fujs; Minh Cong Nguyen

April 8, 2022

World Bank Data Blog

April 2022 global poverty update from the World Bank

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Aleksander Eilertsen; Tony Fujs; Christoph Lakner; Daniel Gerszon Mahler; Minh Cong Nguyen; Marta Schoch; Samuel Kofi Tetteh Baah; Martha Viveros; Haoyu Wu

February 9, 2022

World Bank Data Blog

A new home for the World Bank’s global poverty and inequality data

Introduces the Poverty and Inequality Platform and its data and analytical tools.

Authors

Tony Fujs; R. Andres Castaneda Aguilar; Ifeanyi Edochie; Aleksander Eilertsen; Minh Cong Nguyen; Haoyu Wu; Christoph Lakner

June 24, 2021

World Bank Data Blog

Updated estimates of the impact of COVID-19 on global poverty: Turning the corner on the pandemic in 2021?

Examines the estimated impact of COVID-19 on global poverty, using the data and projections available at publication.

Authors

Daniel Gerszon Mahler; Nishant Yonzan; Christoph Lakner; R. Andres Castaneda Aguilar; Haoyu Wu

March 16, 2021

World Bank Data Blog

March 2021 global poverty update from the World Bank

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Tony Fujs; Christoph Lakner; Daniel Gerszon Mahler; Minh Cong Nguyen; Marta Schoch; Martha Viveros

January 11, 2021

World Bank Data Blog

Updated estimates of the impact of COVID-19 on global poverty: Looking back at 2020 and the outlook for 2021

Examines the estimated impact of COVID-19 on global poverty, using the data and projections available at publication.

Authors

Christoph Lakner; Nishant Yonzan; Daniel Gerszon Mahler; R. Andres Castaneda Aguilar; Haoyu Wu

November 9, 2020

World Bank Data Blog

The impact of COVID-19 on global poverty under worsening growth and inequality

Examines the estimated impact of COVID-19 on global poverty, using the data and projections available at publication.

Authors

Nishant Yonzan; Christoph Lakner; Daniel Gerszon Mahler; R. Andres Castaneda Aguilar; Haoyu Wu

October 7, 2020

World Bank Data Blog

Updated estimates of the impact of COVID-19 on global poverty: The effect of new data

Examines the estimated impact of COVID-19 on global poverty, using the data and projections available at publication.

Authors

Christoph Lakner; Nishant Yonzan; Daniel Gerszon Mahler; R. Andres Castaneda Aguilar; Haoyu Wu; Melina Fleury

October 7, 2020

World Bank Data Blog

September 2020 global poverty update from the World Bank: New annual poverty estimates using the revised 2011 PPPs

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Tony Fujs; Christoph Lakner; Daniel Gerszon Mahler; Minh Cong Nguyen; Samuel Kofi Tetteh Baah

June 8, 2020

World Bank Data Blog

Updated estimates of the impact of COVID-19 on global poverty

Examines the estimated impact of COVID-19 on global poverty, using the data and projections available at publication.

Authors

Daniel Gerszon Mahler; Christoph Lakner; R. Andres Castaneda Aguilar; Haoyu Wu

April 20, 2020

World Bank Data Blog

The impact of COVID-19 (Coronavirus) on global poverty: Why Sub-Saharan Africa might be the region hardest hit

Examines the estimated impact of COVID-19 on global poverty, using the data and projections available at publication.

Authors

Daniel Gerszon Mahler; Christoph Lakner; R. Andres Castaneda Aguilar; Haoyu Wu

March 31, 2020

World Bank Data Blog

March 2020 global poverty update from the World Bank: New poverty estimates for 2018

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Tony Fujs; Christoph Lakner; Daniel Gerszon Mahler; Minh Cong Nguyen

February 5, 2020

World Bank Data Blog

How we mass-produced reproducible Human Capital Project country briefs

Describes the workflow used to produce reproducible Human Capital Project country briefs.

Authors

R. Andres Castaneda Aguilar; Zelalem Yilma Debebe; Martín E. De Simone

November 15, 2019

World Bank Data Blog

Apples to apples — PovcalNet introduces a new comparability indicator

Introduces a comparability indicator for interpreting changes in poverty estimates.

Authors

R. Andres Castaneda Aguilar; Tony Fujs; Dean Mitchell Jolliffe; Christoph Lakner; Minh Cong Nguyen; Espen Beer Prydz

October 3, 2019

World Bank Data Blog

85% of Africans live on less than $5.50 per day

Examines poverty in Africa using the $5.50 per day poverty line.

Authors

R. Andres Castaneda Aguilar; Dean Mitchell Jolliffe; Tony Fujs; Christoph Lakner; Espen Beer Prydz

October 1, 2019

World Bank Data Blog

Estimating global poverty in R and Stata

Introduces R and Stata tools for accessing global poverty estimates through PovcalNet.

Authors

R. Andres Castaneda Aguilar; Tony Fujs; Christoph Lakner; Espen Beer Prydz

September 24, 2019

World Bank Data Blog

September 2019 global poverty update from the World Bank

Presents this release of the World Bank’s global poverty estimates, including new data and revisions to the historical series.

Authors

R. Andres Castaneda Aguilar; Tony Fujs; Christoph Lakner; Minh Cong Nguyen; Espen Beer Prydz

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    Community writing

    PIP-Bloggers is a community resource for PIP developers and researchers. It is listed separately from the authored article catalog.

    My World Bank blog profile Original writing on this site →

    © 2026 R. Andrés Castañeda Aguilar

    External writing · Talks · Updates