Nigeria

Gross Domestic Product — the total market value of all goods and services produced in a year, at current prices.

GDP divided by population — a rough measure of average economic output per person.

Annual percentage change in real (inflation-adjusted) GDP.

Annual change in consumer prices, measured by the consumer price index.

Total resident population, mid-year estimate.

Years a newborn would live if current mortality patterns held throughout its life.

Share of people living in areas classified as urban.

Average number of children born per woman over her lifetime.

How far citizens can select their government, speak freely, associate and access a free press — a 0–100 score aggregated from survey and expert assessments.

Perceived likelihood of political instability or politically motivated violence, scored 0–100 (higher = more stable).

Perceived quality of public services, the civil service and policy implementation, scored 0–100 from survey and expert assessments.

Perceived ability of government to write and enforce rules that let the private sector develop, scored 0–100.

Perceived confidence in contract enforcement, property rights, the police and the courts, scored 0–100.

Perceived extent to which public power is used for private gain, scored 0–100 (higher = less corruption perceived).

Total health expenditure — public and private together — as a share of GDP.

Practising physicians per 1,000 people, from the most recent year a count was reported.

Deaths before a child's fifth birthday, per 1,000 live births.

Share of children aged 12–23 months who have received a measles vaccination.

Share of the population using an improved water source on their premises, available when needed and free of contamination.

Share of people aged 15 and over who can read and write a short simple statement about their everyday life. Many high-income countries stopped surveying this, so the figure is often missing rather than low.

Government spending on education as a share of GDP.

Primary enrolment of all ages as a share of the official primary-school-age population — repeaters and over-age pupils can push it above 100%.

Secondary enrolment of all ages as a share of the official secondary-school-age population; it can exceed 100% for the same reason.

University and college enrolment as a share of the population in the five years after secondary school; mature students can push it above 100%.

Gross expenditure on research & development as a share of GDP.

Full-time-equivalent researchers per million people.

Share of the population that used the internet in the last three months.

Active mobile-cellular subscriptions per 100 people.

Share of manufactured exports classified as high-technology.

Total land area, excluding inland water bodies.

Share of land area under forest cover.

Share of land used for agriculture — arable land, permanent crops and pasture.

Carbon-dioxide emissions per person, in metric tons per year.

Share of total final energy consumption that comes from renewable sources.

Total natural-resource rents (oil, gas, mineral, forest) as a share of GDP.

Value of crude oil production minus extraction cost, as a share of GDP.

Value of mineral production minus extraction cost, as a share of GDP.

Net value of roundwood harvest as a share of GDP.

Share of the population with access to electricity.

Rare-earth oxide equivalent mined. Mining is only the first step; separation and refining are concentrated more narrowly still. The latest year is an estimate.

Military expenditure as a share of GDP.

Total military expenditure at current prices.

Total active armed-forces personnel.