Introduction
The cost of living has been a major issue over the past ten and a half years as a result of pandemic shocks, energy crises, and political unrest that have caused global prices to climb more quickly than earnings.
Using publicly available data from the World Bank and Our World in Data, the project “Rising Prices, Global Pressures: The Global Inflation Wave (2010–2025)” examines how inflation trends have evolved between 2010 and 2025.
By comparing several nations and areas, the analysis shows how policy variations, supply-chain interruptions, and economic growth affect inflation.
The objective is to help students, academics, and politicians better understand and apply complex data through interactive and clear visual representations.
This story transforms facts into a narrative about practical effects by showing how growing prices affect household living standards, economic decisions, and global financial stability.
Slide 2 – Data Overview
This project uses data from Our World in Data 2025, which aggregates World Bank and IMF databases to produce trustworthy, internationally comparable economic indicators.
Each country’s annual percentage change in the consumer price index (CPI) is measured by the primary dataset, Inflation of Consumer Prices in World Bank data.
An important indication of economic stability and purchasing power, this figure shows how the average annual price level of products and services that households buy varies.
An extra dataset, Annual GDP Growth (%), from Our World in Data was utilized to further examine the relationship between inflation and economic growth across time.
All information is freely available under the Creative Commons BY 4.0 license, which permits open usage with due credit.
This confirms that the project fits to practical and moral data storytelling guidelines.
Source: Our World in Data (2025) – Inflation of Consumer Prices
Original provider: World Bank Open Data
Licence: Creative Commons BY 4.0
Scope: ~180 countries, 1960–2025
Variable: Annual percentage change in consumer prices (CPI)
Additional dataset: Annual GDP growth — Our World in Data. https://ourworldindata.org/grapher/annual-gdp-growth
[1] "Entity"
[2] "Code"
[3] "Year"
[4] "Inflation, consumer prices (annual %)"Slide 3 – Data Preparation Workflow
It was necessary to first shape the data into a clear and useful format before it could be transformed into a meaningful story. After being imported straight into R, the inflation dataset was meticulously cleaned and filtered to highlight the most pertinent years from 2010 to 2025. The columns Entity, Code, and Year were renamed for consistency and clarity during this procedure, and the inflation rate column was automatically identified to adapt to Our World in Data’s evolving forms. In order to maintain the data’s accuracy and dependability, missing or invalid values were eliminated. By focusing on the present and staying consistent, these actions turned unreliable data into a reliable basis for the ensuing visual narrative.
Detected value column: Inflation, consumer prices (annual %) # A tibble: 8 × 5
country code year `Inflation, consumer prices (annual %)` inflation
<chr> <chr> <int> <dbl> <dbl>
1 Afghanistan AFG 2010 2.18 2.18
2 Afghanistan AFG 2011 11.8 11.8
3 Afghanistan AFG 2012 6.44 6.44
4 Afghanistan AFG 2013 7.39 7.39
5 Afghanistan AFG 2014 4.67 4.67
6 Afghanistan AFG 2015 -0.662 -0.662
7 Afghanistan AFG 2016 4.38 4.38
8 Afghanistan AFG 2017 4.98 4.98 Rows: 2923 Years: 15 Range: 2010–2024 Slide 4 – Average Global Inflation Trend
Starting with a global perspective, the journey looks at how average inflation rates changed globally between 2010 and 2024.
The chart below shows how prices have changed generally across nations, highlighting significant shifts in the economy.
The recovery that followed the pandemic pressures, supply chain disruptions, and rising energy costs caused a dramatic global spike in inflation in 2021–2022, following years of benign inflation.
Although it was still higher than it was before the epidemic in many areas, inflation started to decline somewhat by 2024 as the world adjusted.
In order to assist the audience to understand the wider picture before focusing on particular nations and their distinct experiences, this graph provides context for the more in-depth regional comparisons that follow.
Slide 5 – Comparing Inflation Across Economies
This presentation examines the changes in inflation trends from 2010
to 2024 in the six major economies of the United States, China, India,
Japan, Germany, and Brazil. The comparison shows how different countries
dealt with inflation during uncertain times around the world. As a
result of market volatility and currency changes, emerging economies
like Brazil and India saw greater and more erratic inflation. Strong
fiscal and monetary regulations, on the other hand, allowed
industrialized nations like Germany and Japan to maintain lower and more
stable inflation. Inflation in the US increased significantly between
2021 and 2022 as a result of the pandemic’s effects and the economy’s
quick recovery. This chart illustrates how variations in economic
structure and policy impact the inflation narrative in each nation by
letting the viewer engage with the data.
Slide 6 – Highest and Lowest Inflation Rates
The graphs shows the five nations with the greatest and lowest rates of inflation in 2024, highlighting the stark differences in price stability between economies.
Due to supply shortages, political unpredictability, or lax monetary management, inflation soared in the Top 5 countries, making it harder for many people to acquire basic essentials.
By way of strong fiscal policies, efficient central banking, and diverse economies, the Bottom 5 countries, on the other hand, were able to retain remarkable stability.
These comparisons collectively demonstrate that inflation is more than just a statistic; it is a reflection of how a nation’s economic resiliency, leadership, and policy discipline influence whether it experiences hardship or steady prosperity.
Slide 7 – Inflation and Economic Growth
This slide illustrates how economic expansion and price levels frequently move in tandem by examining the relationship between GDP growth and inflation from 2010 to 2024.
Although there are some exceptions, the red regression line shows a generally positive trend: faster-growing economies typically experience more inflation.
Outliers show how regional and national policies have distinct effects on inflation and economic results.
Overall, the graph highlights the need for balance: although inadequate growth impedes progress, excessive inflation damages purchasing power.
Slide 8 – Impact and Ethical Considerations
Inflation is a human experience as well as an economic indicator. Every data point represents a household making tough decisions regarding housing, healthcare, and food.
When inflation increases unevenly across regions, global inequality increases. While wealthy countries have better monetary tools and safety nets, developing economies are more vulnerable to price shocks.
Presenting these patterns accurately, sympathetically, and fairly is a moral obligation for data storytellers; they must refrain from placing blame, using sensationalism, or making simplistic national comparisons.
Context is important: Government policies, trade dependency, and currency strength vary per country. Rather of making generalizations, ethical storytelling acknowledges these intricacies.
Integrity and transparency are crucial. Reputable sources like Our World in Data should be cited in all visualizations, and any manipulation of color, scale, or frame that can skew perception should be avoided.
Communication that is respectful: Every chart should educate, not take advantage of. Instead of just impressing with visual prowess, the aim is to promote empathy and understanding for individuals impacted by inflation.
Essentially, ethical storytelling turns unfiltered facts into knowledge, encouraging viewers to consider how inflation affects equity, opportunity, and collective global resilience.
Slide 9 – Conclusion
Inflation has fluctuated greatly over the world in the last ten years. After 2020, the COVID-19 pandemic, worldwide supply constraints, and increases in energy prices caused prices to start climbing dramatically. Everyone was affected by the increase in the price of everyday products, from families who were having trouble paying for groceries to enterprises that were facing uncertain futures. These years served as a reminder to the globe that inflation affects all facets of everyday life and is not just an economic figure.
Although several nations began to recover by 2024, not all of them did so at the same rate. While poorer countries faced greater obstacles including debt, import costs, and weaker currencies, wealthier nations were able to decrease inflation through better economic policies.This disparity demonstrates the true inequity of the global financial safety nets.
When GDP growth and inflation were compared, it became evident that nations needed to strike a balance between expanding their economies and maintaining price stability. Too much expansion can limit opportunities, while too much growth can make living expenses intolerable. This narrative demonstrates the need of sound policies, equity in leadership, and international collaboration in creating an economy that serves people rather than just shareholders.
Slide 10 – References
Roser, M., Ortiz-Ospina, E., & Ritchie, H. (2025). Inflation of consumer prices (World Bank data). Our World in Data. Retrieved from https://ourworldindata.org/grapher/inflation-of-consumer-prices
Roser, M., Ortiz-Ospina, E., & Ritchie, H. (2025). Annual GDP growth (World Bank data). Our World in Data. Retrieved from https://ourworldindata.org/grapher/annual-gdp-growth
World Bank. (2025). World Development Indicators: Inflation and GDP growth datasets. World Bank Open Data. Retrieved from https://data.worldbank.org
International Monetary Fund (IMF). (2024). World Economic Outlook Database. Retrieved from https://www.imf.org/en/Publications/WEO