HelioIndex: country breakdown of authors

The table below gives the breakdown of HelioIndex authors by country. If the median career age for a country is bold, then it is lower than the median age of all the authors.

Total number of countries: 61

Country No. of authors %age of total Median career age

All 2070 100% 9.7
US 586 28.3% 9.4

China 297 14.3% 8.0

UK 157 7.6% 10.8

Italy 99 4.8% 16.3

Germany 97 4.7% 10.1

India 85 4.1% 7.3

Russia 74 3.6% 12.7

Spain 67 3.2% 12.2

Japan 59 2.9% 8.7

France 58 2.8% 9.0

Belgium 49 2.4% 7.9

Finland 38 1.8% 10.9

Rep. Korea 37 1.8% 10.2

Poland 30 1.4% 18.0

Czech Rep. 29 1.4% 19.2

Norway 28 1.4% 8.6

Austria 28 1.4% 8.5

Switzerland 27 1.3% 9.9

Brazil 19 0.9% 12.7

Argentina 18 0.9% 17.2

Sweden 15 0.7% 10.2

Greece 15 0.7% 13.2

Australia 14 0.7% 22.7

Netherlands 12 0.6% 9.3

Ireland 11 0.5% 8.3

Iran 11 0.5% 11.2

Mexico 11 0.5% 14.6

Ukraine 10 0.5% 24.3

Croatia 9 0.4% -

South Africa 8 0.4% -

Saudi Arabia 6 0.3% -

Hungary 6 0.3% -

Egypt 5 0.2% -

Bulgaria 5 0.2% -

Thailand 5 0.2% -

Portugal 5 0.2% -

Slovak Rep. 4 0.2% -

New Zealand 3 0.1% -

Turkey 3 0.1% -

Chile 3 0.1% -

Serbia 3 0.1% -

Romania 2 0.1% -

Indonesia 2 0.1% -

Algeria 2 0.1% -

UAE 2 0.1% -

Slovenia 1 0.0% -

Azerbaijan 1 0.0% -

Israel 1 0.0% -

Iraq 1 0.0% -

Malaysia 1 0.0% -

Nepal 1 0.0% -

Nigeria 1 0.0% -

Georgia 1 0.0% -

Pakistan 1 0.0% -

Ethiopia 1 0.0% -

Denmark 1 0.0% -

Qatar 1 0.0% -

Colombia 1 0.0% -

Canada 1 0.0% -

Burkina Faso 1 0.0% -

Kuwait 1 0.0% -

Created on Thu May 22 04:48:16 2025.