Human development: the idea and the HDI

Detail

1. Human capital vs human development

• Human capital: the skills, education and health stored in people that make them more productive workers. Think of it like machines (physical capital), but carried inside people.
• Human development: the process of widening people's choices so they can live long, healthy, educated lives that they value.

	Human capital	Human development
How it sees people	Means to an end. The end is higher labour productivity (more output from each worker).	Ends in themselves
Education and health	Inputs that raise output	Part of well-being itself. Without literacy and a long, healthy life, people cannot make "other choices which they value".
Spending that does not raise output	Called "unproductive"	Still worthwhile
Rights angle	None	Every individual has a right to be literate and lead a healthy life

• Human development is the broader idea.
• Basic education and basic health matter whatever their effect on productivity.

• Example: teaching a 70-year-old to read may add nothing to GDP. It is still human development.

• Why income alone is not enough (Class 12, National Income Accounting):

• GDP does not show how income is distributed. GDP can rise while the poor get poorer.
• GDP leaves out non-monetary exchanges, such as unpaid work at home or barter.
• GDP ignores externalities, meaning harm or benefit to others that nobody pays for (e.g. factory pollution).
• So a higher GDP does not always mean higher welfare.

2. Intellectual roots

• Amartya Sen's capability approach
• It judges development by how far people's real freedoms (capabilities) to lead lives they value have grown. Income alone is not the test.
• Functionings: what a person actually is or does, such as being well fed or being literate.
• Capabilities: the full set of functionings a person is free to choose from.
• Example: a person who fasts and a person who is starving both lack food (the same functioning). Only the one who fasts has the capability to eat.

• Key book: Development as Freedom (1999).

• Mahbub ul Haq

• A Pakistani economist. He launched UNDP's first Human Development Report (HDR) in 1990.

• Amartya Sen helped him design the index.

• Class 10, Development

• Putting "Human" before "Development" makes one thing clear: "what is important in development is what is happening to citizens … their health, their well being".

3. How the HDI is built (UNDP)

• The Human Development Index (HDI) is a composite index (one number made by combining several indicators). It runs from 0 to 1 and covers three dimensions.

Dimension	Indicator	Goalposts (minimum – maximum)
Long and healthy life	Life expectancy at birth (the average number of years a newborn is expected to live)	20 – 85 years
Knowledge	Expected years of schooling (EYS): the years of school a child of school-entry age can expect to get if today's enrolment rates continue	0 – 18 years
	Mean years of schooling (MYS): the average number of years of education that adults aged 25 and above have actually completed	0 – 15 years
Decent standard of living	GNI per capita (2021 PPP $), log-transformed	$100 – $75,000

• Key terms:
• GNI (Gross National Income): GDP plus net income from abroad.
• PPP (purchasing power parity): an exchange rate that adjusts for local prices, so that $1 buys the same basket of goods in every country.
• Goalposts: fixed minimum and maximum values. They turn indicators with different units (years, dollars) into scores between 0 and 1.

Steps

1. Dimension index = (actual value − minimum) ÷ (maximum − minimum)
2. Education index = (MYS index + EYS index) ÷ 2

3. Income index = [ln(GNI pc) − ln(100)] ÷ [ln(75,000) − ln(100)] - The log (ln) is used because each extra dollar matters less as income rises. - Example: $1,000 more changes a lot for a family earning $2,000 a year. It changes very little for a family earning $60,000.

4. HDI = (I_health × I_education × I_income)^(1/3). This is the geometric mean (multiply the three numbers, then take the cube root).

Why the geometric mean?

• A weak score in one dimension is not fully made up for by a strong score in another. Balanced progress scores higher.
• Worked example:
• Country A has indices 0.9, 0.9 and 0.3.
  • Arithmetic mean = 2.1 ÷ 3 = 0.700.
  • Geometric mean = (0.9 × 0.9 × 0.3)^(1/3) = (0.243)^(1/3) ≈ 0.624.
• Country B has indices 0.7, 0.7 and 0.7. Both means = 0.700.
• Under the geometric mean, balanced Country B ranks above lopsided Country A.

4. Worked check: India (HDR 2025, data year 2023)

• Health index = (72.0 − 20) ÷ (85 − 20) = 52 ÷ 65 = 0.800
• Education index
• EYS index = 13.0 ÷ 18 = 0.722
• MYS index = 6.9 ÷ 15 = 0.460

• Education index = (0.722 + 0.460) ÷ 2 = 0.591

• Income index = ln(9,047 ÷ 100) ÷ ln(75,000 ÷ 100) = 4.505 ÷ 6.620 = 0.681

• HDI = (0.800 × 0.591 × 0.681)^(1/3) = (0.322)^(1/3) ≈ 0.685 ✔
• The weakest link is schooling. India's adults (25+) have only 6.9 years of schooling on average, less than half the 15-year goalpost.

5. The old method (before 2010)

• The HDI was an arithmetic mean (simple average) of three indices:
• Life expectancy
• Education: adult literacy rate (2/3 weight) + combined gross enrolment ratio (GER) (1/3 weight). GER is total enrolment at a level of schooling, as a percentage of the population of the official age for that level.

• GDP per capita (PPP)

• In the 2010 revision:

• MYS and EYS replaced literacy and GER.
• GNI replaced GDP.
• The geometric mean replaced the arithmetic mean.

6. HDI categories

Category	HDI value
Very high	≥ 0.800
High	0.700 – 0.799
Medium	0.550 – 0.699
Low	< 0.550

7. India in HDR 2025

• HDR 2025 was released on 6 May 2025. India ranks 130 of 193 countries [2].
• India's theme: "A matter of choice: People and possibilities in the age of AI".
• HDI value: rose from 0.676 (2022) to 0.685 (2023) [2].
• India stays in the medium category.

• It is close to the high threshold of 0.700 [2].

• Rank: moved from 133 (2022) to 130 (2023) [2].

• Long-run growth: India's HDI value has risen by over 53% since 1990. This is faster than both the global and the South Asian averages [2].
• Life expectancy: rose from 58.6 years (1990) to 72.0 years (2023), the highest since the index began [2].
• Inequality:
• The Inequality-adjusted HDI (IHDI) lowers each dimension's score by how unequally it is shared among people.

• Inequality cuts India's HDI by 30.7% (2023), one of the highest losses in the region [2].

• Gender gaps:

• Female labour force participation and women's political representation lag behind [2].

• The constitutional amendment reserving one-third of legislative seats for women is seen as a hopeful step [2].

• Global picture: HDR 2025 finds that world human development progress is now at its slowest pace since 1990 [4].

• Is there a newer report?
• No HDR 2026 was found in official sources as of September 2026.
• UNdata lists its next HDI data update for 1 December 2026 [3].
• Keep quoting HDR 2025 (data year 2023), but check again before the exam.

8. India and its neighbours (HDR 2025, data year 2023)

Country	GNI pc (2021 PPP $)	Life expectancy (years)	MYS, 25+ (years)	HDI rank (of 193)
Sri Lanka	12,616	77.5	10.8	89
China	22,029	78.0	8.0	78 (HDI 0.797)
India	9,047	72.0	6.9	130 (HDI 0.685, medium)
Bangladesh	8,498	74.7	6.8	130 (tied with India)
Nepal	4,726	70.4	4.5	145
Myanmar	4,919	66.9	6.4	150
Pakistan	5,501	67.6	4.3	168 (HDI 0.544, low)

• India's EYS is 13.0 years (2023).
• Bhutan ranks 127, above India [2].
• Rank conflict to note:
• The UN India press release gives China 75th, Sri Lanka 78th and Myanmar 149th [2].
• (NCERT scaffold: China 78, Sri Lanka 89, Myanmar 150.)

• China's HDI of 0.797 fits a rank near 78. Check the HDR 2025 statistical table before quoting these ranks.

• Sri Lanka, a small neighbour, is ahead of India on every item in the table.

• Nepal and Bangladesh: NCERT says they have lower income than India but are "better than India in life expectancy".
• This holds for Bangladesh (74.7).
• It does not hold for Nepal (70.4), which is below India's 72.0 in HDR 2025 data.

• Treat NCERT's claim about Nepal with caution.

• Lesson: a country with lower income can still do better on health and education if it spends well on basic services.

9. Errors in the NCERT tables

• Class 10 (Table 1.6): the rank column is headed "2021-22", but the values are HDR 2025's figures for 2023.
• Class 11 (Table 8.5):
• It gives MYS for people "aged 15 and above". UNDP uses 25 and above.
• It adds "in %". MYS is measured in years, not per cent.

Prelims Hooks

• The HDI's three dimensions are health (life expectancy), knowledge (MYS + EYS) and standard of living (GNI, not GDP, per capita, 2021 PPP $).
• MYS is measured for adults aged 25+. EYS is for children of school-entry age. The goalposts are 15 and 18 years.
• HDI goalposts: life expectancy 20–85 years; GNI per capita $100–$75,000. Income is log-transformed.
• Since 2010, the HDI has been a geometric mean. Trap: "arithmetic mean of three indices" describes the pre-2010 method, which also used adult literacy and GER.
• The first HDR came out in 1990 under Mahbub ul Haq. Amartya Sen gave it the capability approach (Development as Freedom, 1999).
• HDR 2025: India ranks 130/193, HDI 0.685 (2023), up from 0.676 (2022), in the medium category. It is tied with Bangladesh [2].
• India's life expectancy is 72.0 years (2023), up from 58.6 (1990). Inequality cuts India's HDI by 30.7% [2].
• HDI categories: very high ≥ 0.800; high 0.700–0.799; medium 0.550–0.699; low < 0.550. Pakistan (0.544) is in the "low" category.
• Human capital treats people as a means (productivity). Human development treats them as ends in themselves.

Mains Points

• Schooling is India's weakest HDI link.
• Education index 0.591 vs health index 0.800 (2023).
• Adult MYS is only 6.9 years.

• Under the geometric mean, raising the weakest dimension lifts the HDI most. So spending on foundational learning and adult education gives the highest payoff (GS-II/III).

• Growth vs development.

• Bangladesh and Sri Lanka match or beat India on HDI and life expectancy with similar or lower income than China.

• This shows that how growth is shared through public health and education matters more than GDP alone. This is the capability-approach argument against judging development by GDP alone.

• Inequality hides behind averages.

• A 30.7% loss in the IHDI [2], plus low female labour force participation [2], means the national HDI overstates what the typical Indian actually has.

• Policy answer: target spending by gender, region and caste, not only national averages.

• Limits of the HDI.

• It leaves out freedom, environment, security and quality of schooling.
• Hence companion indices such as the IHDI and gender indices.
• Links to the "sustainability" part of this topic: an HDI rise bought with natural-resource loss may not last.