Deep dives
In-depth reports built on official public statistics: every chart and figure is computed from the sources cited.
21 deep dives
- WorldArtificial intelligence10 min readData as of Nov 10, 2026Artificial intelligence: how big is the boom?The four cloud giants doubled their investment in a year; AI revenue is growing fast but remains far behind.Read the deep dive →
- FranceRecord in office16 min readData as of Nov 8, 2026Emmanuel Macron: the record in figuresNineteen indicators measured from the start to the end of each term (or to date), compared with the European Union over the same period, and the main commitments of the 2017 and 2022 programmes.Read the deep dive →
- United StatesRecord in office16 min readData as of Nov 9, 2026Donald Trump: the record in figuresSeventeen indicators measured over each of the two terms, compared with the OECD as a whole over the same periods, and the main promises of the 2016 and 2024 campaigns.Read the deep dive →
- GermanyRecord in office13 min readData as of Nov 9, 2026Friedrich Merz: the record in figuresNineteen indicators measured since the Chancellor took office, compared with the European Union over the same period, and the main commitments of the CDU/CSU and of the 2025 coalition agreement.Read the deep dive →
- United KingdomRecord in office14 min readData as of Nov 9, 2026Andy Burnham and the Labour government: the record in figuresSixteen indicators measured since Labour came to power and since Andy Burnham took over, compared with the OECD as a whole over the same periods, and the main commitments of the 2024 manifesto and of the new Prime Minister.Read the deep dive →
- JapanRecord in office12 min readData as of Nov 9, 2026Sanae Takaichi: the record in figuresSixteen indicators, nine of them already measurable since October 2025, compared with the OECD as a whole over the same period, and the Prime Minister’s main commitments.Read the deep dive →
- ChinaRecord in office14 min readData as of Nov 9, 2026Xi Jinping: the record in figuresThirteen indicators measured term by term, compared with the world where a world total exists, and the main quantified targets set by the Party Congresses and the five-year plans.Read the deep dive →
- FrancePublic deficit and debt4 min readData as of Oct 25, 2026Where do France’s deficit and debt come from?Public revenue and spending since 1995, item by item: pensions, health, tax cuts and a comparison with neighbouring countries.Read the deep dive →
- GermanyPublic deficit and debt4 min readData as of Oct 27, 2026Where do Germany’s deficit and debt come from?German public revenue and spending since 1995, item by item, and a comparison with France on the same accounts.Read the deep dive →
- ItalyPublic deficit and debt4 min readData as of Oct 30, 2026Where does Italy’s public deficit come from?Italian public revenue and spending since 1995, item by item, and a comparison with France on the same accounts.Read the deep dive →
- SpainPublic deficit and debt4 min readData as of Oct 30, 2026Where does Spain’s public deficit come from?Spanish public revenue and spending since 1995, item by item, and a comparison with France on the same accounts.Read the deep dive →
- United KingdomPublic deficit and debt5 min readData as of Oct 27, 2026Where do the UK’s deficit and debt come from?UK public revenue and spending since 1995, item by item, and a comparison with France on the same accounts.Read the deep dive →
- TurkeyPublic deficit and debt4 min readData as of Oct 30, 2026Where does Turkey’s public deficit come from?Turkish public revenue and spending since 2008, by type, and a comparison with France on the same statistics.Read the deep dive →
- United StatesPublic deficit and debt3 min readData as of Oct 27, 2026Where do the US deficit and debt come from?Federal revenue and spending since 1960, item by item: health, retirement, taxes, interest and customs duties.Read the deep dive →
- CanadaPublic deficit and debt4 min readData as of Oct 30, 2026Where does Canada’s public deficit come from?Canadian public revenue and spending since 1995, by type, and a comparison with France on the same accounts.Read the deep dive →
- MexicoPublic deficit and debt4 min readData as of Oct 30, 2026Where does Mexico’s public deficit come from?Mexican public revenue and spending since 2003, by type, and a comparison with France on the same accounts.Read the deep dive →
- BrazilPublic deficit and debt5 min readData as of Oct 30, 2026Where does Brazil’s public deficit come from?Brazilian public revenue and spending since 2010, item by item, and a comparison with France on the same statistics.Read the deep dive →
- JapanPublic deficit and debt4 min readData as of Oct 27, 2026Where do Japan’s deficit and debt come from?Japanese public revenue and spending since 2005, item by item, and the story of a debt that went from 63% to over 200% of GDP.Read the deep dive →
- South KoreaPublic deficit and debt5 min readData as of Oct 30, 2026Where does South Korea’s public deficit come from?South Korean public revenue and spending since 1995, item by item, and a comparison with France on the same accounts.Read the deep dive →
- AustraliaPublic deficit and debt5 min readData as of Oct 30, 2026Where does Australia’s public deficit come from?Australian public revenue and spending since 1999, item by item, and a comparison with France on the same statistics.Read the deep dive →
- European UnionPensions5 min readData as of Oct 30, 2026Pensions: what the figures sayPension expenditure, exit age and normal retirement age, older workers’ employment and the income of people aged 65+ in Europe; the COR’s French trajectory to 2070.Read the deep dive →
