9

Regarding COVID-19 response, we have the stringency index. But I wonder, is there any source that documented the first law implementation date or month regarding societal restrictions (social distancing, school closures, workplace closures, and travel bans) in each country?

14

The data for the stringency index linked in the question comes from the University of Oxford's Covid-19 Government Response Tracker. In order to calculate this index, manually collated data on policy decisions is used - these are described in their GitHub repo here, and fall into a number of categories:

  • C - containment and closure policies
  • E - economic policies
  • H - health system policies
  • V - vaccination policies
  • M - miscellaneous policies

Timeseries data on the implementation of these policies can be found here. Focusing in particular on the 'C - containment and closure policies', as I think these most closely reflect the social restriction policies you describe, we can identify which countries/areas are recorded as implementing these policies first. For example, looking at table C1_School closing, the first area reported as implementing school closures is Macao on January 24th. With a bit of googling, we can see that this correlates to this press release.

The 'C-category' policies are:

  1. Closings of schools and universities
  2. Closings of workplaces
  3. Cancelling public events
  4. Limits on gatherings
  5. Closing of public transport
  6. Orders to "shelter-in-place" and otherwise confine to the home
  7. Restrictions on internal movement between cities/regions
  8. Restrictions on international travel

If we wanted to look at the date of first implementation of any of these C-category policies by country, we can sum up these tables and look at the first date column which records a non-zero number for each country. This gives the below data. For some reason, there is no data recorded for Comoros.

| Country                      | Date of first implementation of social restrictions |
| ---------------------------- | --------------------------------------------------- |
| Singapore                    | 01/01/2020                                          |
| Hong Kong                    | 01/01/2020                                          |
| Taiwan                       | 01/01/2020                                          |
| Macao                        | 06/01/2020                                          |
| Japan                        | 07/01/2020                                          |
| Turkmenistan                 | 08/01/2020                                          |
| Bhutan                       | 15/01/2020                                          |
| Guyana                       | 18/01/2020                                          |
| Indonesia                    | 18/01/2020                                          |
| Kenya                        | 20/01/2020                                          |
| Uganda                       | 20/01/2020                                          |
| Guatemala                    | 21/01/2020                                          |
| France                       | 22/01/2020                                          |
| China                        | 22/01/2020                                          |
| Serbia                       | 22/01/2020                                          |
| Canada                       | 22/01/2020                                          |
| Panama                       | 22/01/2020                                          |
| Kyrgyz Republic              | 22/01/2020                                          |
| Bangladesh                   | 22/01/2020                                          |
| United Arab Emirates         | 23/01/2020                                          |
| South Africa                 | 23/01/2020                                          |
| Italy                        | 23/01/2020                                          |
| Qatar                        | 24/01/2020                                          |
| Ghana                        | 24/01/2020                                          |
| Turkey                       | 24/01/2020                                          |
| Monaco                       | 24/01/2020                                          |
| Nepal                        | 25/01/2020                                          |
| Vietnam                      | 25/01/2020                                          |
| India                        | 26/01/2020                                          |
| Barbados                     | 26/01/2020                                          |
| Sri Lanka                    | 26/01/2020                                          |
| Rwanda                       | 27/01/2020                                          |
| Czech Republic               | 27/01/2020                                          |
| Romania                      | 27/01/2020                                          |
| Mongolia                     | 27/01/2020                                          |
| Papua New Guinea             | 27/01/2020                                          |
| Bahrain                      | 27/01/2020                                          |
| Tonga                        | 27/01/2020                                          |
| Georgia                      | 28/01/2020                                          |
| Ethiopia                     | 28/01/2020                                          |
| Botswana                     | 28/01/2020                                          |
| Zimbabwe                     | 28/01/2020                                          |
| Kazakhstan                   | 29/01/2020                                          |
| Iceland                      | 29/01/2020                                          |
| Eswatini                     | 29/01/2020                                          |
| Russia                       | 30/01/2020                                          |
| Azerbaijan                   | 30/01/2020                                          |
| Brunei                       | 30/01/2020                                          |
| Trinidad and Tobago          | 30/01/2020                                          |
| Tanzania                     | 30/01/2020                                          |
| Puerto Rico                  | 30/01/2020                                          |
| Malaysia                     | 30/01/2020                                          |
| El Salvador                  | 31/01/2020                                          |
| Jamaica                      | 31/01/2020                                          |
| South Korea                  | 31/01/2020                                          |
| Philippines                  | 31/01/2020                                          |
| Pakistan                     | 31/01/2020                                          |
| Syria                        | 01/02/2020                                          |
| Benin                        | 01/02/2020                                          |
| Kiribati                     | 01/02/2020                                          |
| Australia                    | 01/02/2020                                          |
| Myanmar                      | 01/02/2020                                          |
| Belize                       | 02/02/2020                                          |
| United States                | 02/02/2020                                          |
| New Zealand                  | 02/02/2020                                          |
| Israel                       | 02/02/2020                                          |
| Timor-Leste                  | 03/02/2020                                          |
| Bulgaria                     | 03/02/2020                                          |
| Oman                         | 03/02/2020                                          |
| Tajikistan                   | 03/02/2020                                          |
| Fiji                         | 03/02/2020                                          |
| Haiti                        | 04/02/2020                                          |
| Croatia                      | 04/02/2020                                          |
| Mauritania                   | 05/02/2020                                          |
| Angola                       | 06/02/2020                                          |
| Solomon Islands              | 06/02/2020                                          |
| Finland                      | 06/02/2020                                          |
| Gabon                        | 07/02/2020                                          |
| Bermuda                      | 07/02/2020                                          |
| Seychelles                   | 07/02/2020                                          |
| Lebanon                      | 08/02/2020                                          |
| Libya                        | 10/02/2020                                          |
| Mozambique                   | 11/02/2020                                          |
| Iran                         | 20/02/2020                                          |
| Iraq                         | 20/02/2020                                          |
| Democratic Republic of Congo | 20/02/2020                                          |
| Nicaragua                    | 21/02/2020                                          |
| Zambia                       | 21/02/2020                                          |
| Kuwait                       | 21/02/2020                                          |
| Cuba                         | 21/02/2020                                          |
| Afghanistan                  | 23/02/2020                                          |
| Malta                        | 23/02/2020                                          |
| San Marino                   | 23/02/2020                                          |
| Colombia                     | 24/02/2020                                          |
| South Sudan                  | 24/02/2020                                          |
| Switzerland                  | 25/02/2020                                          |
| Albania                      | 25/02/2020                                          |
| Germany                      | 26/02/2020                                          |
| Moldova                      | 26/02/2020                                          |
| Latvia                       | 27/02/2020                                          |
| Cape Verde                   | 27/02/2020                                          |
| Liechtenstein                | 28/02/2020                                          |
| Mexico                       | 28/02/2020                                          |
| Greece                       | 29/02/2020                                          |
| Namibia                      | 01/03/2020                                          |
| Vanuatu                      | 01/03/2020                                          |
| Uzbekistan                   | 01/03/2020                                          |
| Ecuador                      | 02/03/2020                                          |
| Sweden                       | 02/03/2020                                          |
| Congo                        | 03/03/2020                                          |
| Denmark                      | 03/03/2020                                          |
| Faeroe Islands               | 04/03/2020                                          |
| Belgium                      | 04/03/2020                                          |
| Tunisia                      | 04/03/2020                                          |
| Palestine                    | 05/03/2020                                          |
| Burundi                      | 05/03/2020                                          |
| Thailand                     | 06/03/2020                                          |
| Lesotho                      | 06/03/2020                                          |
| Peru                         | 06/03/2020                                          |
| Slovak Republic              | 06/03/2020                                          |
| Slovenia                     | 07/03/2020                                          |
| Cambodia                     | 07/03/2020                                          |
| Guinea                       | 07/03/2020                                          |
| Chad                         | 08/03/2020                                          |
| Saudi Arabia                 | 08/03/2020                                          |
| Luxembourg                   | 09/03/2020                                          |
| Hungary                      | 09/03/2020                                          |
| Austria                      | 09/03/2020                                          |
| Spain                        | 09/03/2020                                          |
| Poland                       | 09/03/2020                                          |
| Portugal                     | 09/03/2020                                          |
| Bosnia and Herzegovina       | 10/03/2020                                          |
| Liberia                      | 10/03/2020                                          |
| Costa Rica                   | 10/03/2020                                          |
| Paraguay                     | 10/03/2020                                          |
| Netherlands                  | 10/03/2020                                          |
| Algeria                      | 10/03/2020                                          |
| Norway                       | 10/03/2020                                          |
| Cyprus                       | 10/03/2020                                          |
| Mali                         | 11/03/2020                                          |
| Argentina                    | 11/03/2020                                          |
| Kosovo                       | 11/03/2020                                          |
| Eritrea                      | 11/03/2020                                          |
| Laos                         | 11/03/2020                                          |
| Venezuela                    | 12/03/2020                                          |
| Burkina Faso                 | 12/03/2020                                          |
| Ireland                      | 12/03/2020                                          |
| Bolivia                      | 12/03/2020                                          |
| Lithuania                    | 12/03/2020                                          |
| Ukraine                      | 12/03/2020                                          |
| Brazil                       | 12/03/2020                                          |
| Estonia                      | 12/03/2020                                          |
| Honduras                     | 13/03/2020                                          |
| Greenland                    | 13/03/2020                                          |
| Andorra                      | 13/03/2020                                          |
| Uruguay                      | 13/03/2020                                          |
| Suriname                     | 13/03/2020                                          |
| Morocco                      | 13/03/2020                                          |
| Niger                        | 13/03/2020                                          |
| Cameroon                     | 13/03/2020                                          |
| United Kingdom               | 13/03/2020                                          |
| Somalia                      | 14/03/2020                                          |
| Belarus                      | 14/03/2020                                          |
| Sudan                        | 14/03/2020                                          |
| Senegal                      | 14/03/2020                                          |
| Yemen                        | 15/03/2020                                          |
| Egypt                        | 15/03/2020                                          |
| Madagascar                   | 15/03/2020                                          |
| Chile                        | 15/03/2020                                          |
| Jordan                       | 15/03/2020                                          |
| Dominican Republic           | 16/03/2020                                          |
| Guam                         | 16/03/2020                                          |
| Sierra Leone                 | 16/03/2020                                          |
| Bahamas                      | 16/03/2020                                          |
| Cote d'Ivoire                | 16/03/2020                                          |
| Togo                         | 16/03/2020                                          |
| Aruba                        | 16/03/2020                                          |
| Mauritius                    | 18/03/2020                                          |
| Djibouti                     | 18/03/2020                                          |
| United States Virgin Islands | 18/03/2020                                          |
| Nigeria                      | 18/03/2020                                          |
| Gambia                       | 18/03/2020                                          |
| Malawi                       | 20/03/2020                                          |
| Dominica                     | 22/03/2020                                          |
| Central African Republic     | 26/03/2020                                          |

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