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August 1, 2025
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Niger
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Scientific and technical journal articles

Cette statistique dans les autres pays:

AfghanistanAlbaniaAlgeriaAndorraAngolaAntigua and BarbudaArab WorldArgentinaArmeniaAustraliaAustriaAzerbaijanBahamas, TheBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBhutanBoliviaBosnia and HerzegovinaBotswanaBrazilBrunei DarussalamBulgariaBurkina FasoBurundiCabo VerdeCambodiaCameroonCanadaCaribbean small statesCentral African RepublicCentral Europe and the BalticsChadChileChinaColombiaComorosCongo, Dem. Rep.Congo, Rep.Costa RicaCote d'IvoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEarly-demographic dividendEast Asia & PacificEast Asia & Pacific (excluding high income)East Asia & Pacific (IDA & IBRD countries)EcuadorEgypt, Arab Rep.El SalvadorEquatorial GuineaEritreaEstoniaEthiopiaEuro areaEurope & Central AsiaEurope & Central Asia (excluding high income)Europe & Central Asia (IDA & IBRD countries)European UnionFijiFinlandFragile and conflict affected situationsFranceGabonGambia, TheGeorgiaGermanyGhanaGreeceGrenadaGuatemalaGuineaGuinea-BissauGuyanaHaitiHeavily indebted poor countries (HIPC)High incomeHondurasHong Kong SAR, ChinaHungaryIBRD onlyIcelandIDA & IBRD totalIDA blendIDA onlyIDA totalIndiaIndonesiaIran, Islamic Rep.IraqIrelandIsraelItalyJamaicaJapanJordanKazakhstanKenyaKiribatiKorea, Dem. People’s Rep.Korea, Rep.KosovoKuwaitKyrgyz RepublicLao PDRLate-demographic dividendLatin America & Caribbean Latin America & Caribbean (excluding high income)Latin America & the Caribbean (IDA & IBRD countries)LatviaLeast developed countries: UN classificationLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLow & middle incomeLow incomeLower middle incomeLuxembourgMacedonia, FYRMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMauritaniaMauritiusMexicoMicronesia, Fed. Sts.Middle East & North AfricaMiddle East & North Africa (excluding high income)Middle East & North Africa (IDA & IBRD countries)Middle incomeMoldovaMonacoMongoliaMontenegroMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew ZealandNicaraguaNigerNigeriaNorth AmericaNorwayOECD membersOmanOther small statesPacific island small statesPakistanPalauPanamaPapua New GuineaParaguayPeruPhilippinesPolandPortugalPost-demographic dividendPre-demographic dividendQatarRomaniaRussian FederationRwandaSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovak RepublicSloveniaSmall statesSolomon IslandsSomaliaSouth AfricaSouth AsiaSouth Asia (IDA & IBRD)SpainSri LankaSt. Kitts and NevisSt. LuciaSt. Vincent and the GrenadinesSub-Saharan Africa Sub-Saharan Africa (excluding high income)Sub-Saharan Africa (IDA & IBRD countries)SudanSurinameSwazilandSwedenSwitzerlandSyrian Arab RepublicTajikistanTanzaniaThailandTogoTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUpper middle incomeUruguayUzbekistanVanuatuVenezuela, RBVietnamWest Bank and GazaWorldYemen, Rep.ZambiaZimbabwe

La ligne de temps

Cette échelle de temps montre un graphique de 1987 année à 2014 année Niger. Les données jusqu'à 1986 année ne sont pas présentés. Quantité d'observations actuelles selon dates: 28.

Source (désignation):

Les indicateurs du développement mondiale

Source (organisation):

National Science Foundation, Science and Engineering Indicators.

Catégories:

Science & Technology

Dernière mise à jour

23 avr. 2017

Les indicateurs de changement de valeurs selon les années

En moyenne:
24.943
Minimum:
9.0
1 janv. 1987
Maximum:
67.5
1 janv. 2011
Pour la date d''observation
Valeur
Changement absolu
Le changement par rapport à la valeur précédente
1 janv. 1987
9.0
+9.0
0.0%
1 janv. 1988
15.0
+6.0
66.67%
1 janv. 1989
10.0
-5.0
-33.33%
1 janv. 1990
14.0
+4.0
40.0%
1 janv. 1991
19.0
+5.0
35.71%
1 janv. 1992
12.0
-7.0
-36.84%
1 janv. 1993
22.0
+10.0
83.33%
1 janv. 1994
21.0
-1.0
-4.55%
1 janv. 1995
23.0
+2.0
9.52%
1 janv. 1996
20.3
-2.7
-11.74%
1 janv. 1997
19.6
-0.7
-3.45%
1 janv. 1998
27.8
+8.2
41.84%
1 janv. 1999
25.9
-1.9
-6.83%
1 janv. 2000
16.0
-9.9
-38.22%
1 janv. 2001
28.0
+12.0
75.0%
1 janv. 2002
24.4
-3.6
-12.86%
1 janv. 2003
18.3
-6.1
-25.0%
1 janv. 2004
22.8
+4.5
24.59%
1 janv. 2005
21.5
-1.3
-5.7%
1 janv. 2006
22.0
+0.5
2.33%
1 janv. 2007
29.2
+7.2
32.73%
1 janv. 2008
29.7
+0.5
1.71%
1 janv. 2009
26.9
-2.8
-9.43%
1 janv. 2010
53.5
+26.6
98.88%
1 janv. 2011
67.5
+14.0
26.17%
1 janv. 2012
33.1
-34.4
-50.96%
1 janv. 2013
31.2
-1.9
-5.74%
1 janv. 2014
35.7
+4.5
14.42%

Classement des pays selon les statistiques actuelles par années

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